'Dynasty' star Catherine Oxenberg says she's fighting to save her daughter from a group that allegedly brainwashed her

Catherine Oxenberg, former star of the show "Dynasty," says she’s fighting to save her oldest daughter from a group that she alleges "brainwashed" her. 

It all started in 2011 when Oxenberg went to a meeting about a self-improvement program called Nxivm with her then 20-year-old daughter -- her oldest.

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According to People, for close to two decades, around 16,000 people have paid around $3,400 for the so-called “executive-coaching workshop."

Oxenberg originally found the program to be "weird and creepy," but her daughter India was intrigued and went ahead with the program. 

Then, in April, Oxenberg’s friend who recently left the program contacted her, worried. 

See photos of Catherine Oxenberg:

57 PHOTOS
Catherine Oxenberg through the years
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Catherine Oxenberg through the years
DYNASTY - 'Catherine Oxenberg Photo Shots' which aired on October 08, 1984. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
UNITED STATES - OCTOBER 08: DYNASTY - Catherine Oxenberg gallery - Season Five - 10/8/84, Catherine Oxenberg (Amanda), (Photo by Bob D'Amico/ABC via Getty Images)
Actress Catherine Oxenberg. (Photo by Robin Platzer/The LIFE Images Collection/Getty Images)
Catherine Oxenberg (Photo by Ron Galella/WireImage)
DYNASTY - 'Swept Away' which aired on December 5, 1984. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG;MICHAEL NADER;JOAN COLLINS
DYNASTY - 'Swept Away' which aired on December 5, 1984. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
DYNASTY - 'That Holiday Spirit' which aired on December 19, 1984. (Photo by ABC Photo Archives/ABC via Getty Images) JOHN JAMES;MICHAEL NADER;JOAN COLLINS;DIAHANN CARROLL;JOHN FORSYTHE;JACK COLEMAN;LINDA EVANS;PAMELA BELLWOOD;CATHERINE OXENBERG;GORDON THOMSON
UNITED STATES - circa 1985: Catherine Oxenberg. (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - circa 1985: Actress Catherine Oxenberg. (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - circa 1985: Actress Catherine Oxenberg. (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - circa 1985: Actress Catherine Oxenberg. (Photo by The LIFE Picture Collection/Getty Images)
Tony Griffin, Jimmy Van Patten and Catherine Oxenberg (Photo by Ron Galella/WireImage)
DYNASTY - 'The Wedding' which aired on May 15, 1985. (Photo by ABC Photo Archives/ABC via Getty Images) JOAN COLLINS;CATHERINE OXENBERG;JOHN FORSYTHE;LINDA EVANS
DYNASTY - 'The Wedding' which aired on May 15, 1985. (Photo by ABC Photo Archives/ABC via Getty Images) MICHAEL PRAED;CATHERINE OXENBERG;JOHN FORSYTHE
DYNASTY - 'Catherine Oxenberg Gallery' - Airdate on September 1, 1985. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
Catherine Oxenberg (Photo by Ron Galella/WireImage)
Catherine Oxenberg (Photo by Ron Galella/WireImage)
DYNASTY - 'Gallery' - Airdate on January 15, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG;KATE O'MARA;CHRISTOPHER CAZENOVE;JOAN COLLINS;PAMELA BELLWOOD;KEVIN CONROY;HEATHER LOCKLEAR;JOHN FORSYTHE;GORDON THOMSON;TROY BEYER;LINDA EVANS;DIAHANN CARROLL
DYNASTY - 'Gallery' - Airdate on January 15, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
DYNASTY - 'Gallery' - Airdate on January 15, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) TROY BEYER;HEATHER LOCKLEAR;CATHERINE OXENBERG
DYNASTY - 'Masquerade' - Airdate on March 5, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG;TED MCGINLEY
Catherine Oxenberg (Photo by Ron Galella/WireImage)
DYNASTY - 'The Vendetta' - Airdate on April 1, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
UNITED STATES - MAY 01: Catherine Oxenberg and Cher Bono (Photo by The LIFE Picture Collection/Getty Images)
Catherine Oxenberg and Jellybean Benitez (Photo by Ron Galella/WireImage)
DYNASTY - 'The Secret' which aired on December 3, 1986. (Photo by ABC Photo Archives/ABC via Getty Images) CATHERINE OXENBERG
Catherine Oxenberg during All Star Tribute to Kareem Abdul Jabaar - April 24, 1989 at Century Plaza Hotel in Los Angeles, California, United States. (Photo by Ron Galella/WireImage)
Actress Catherine Oxenberg (Photo by Frank Trapper/Corbis via Getty Images)
Catherine Oxenberg and Daughter India Oxenberg during Poolside Cocktail Party For Kelly Klein's Book, 'Pools' at Beverly Hills Hotel in Beverly Hills, California, United States. (Photo by Ron Galella/WireImage)
THE ACTRESS CATHERINE OXENBERG AT HOME IN THE USA (Photo by Marcel Noecker/Sygma/Sygma via Getty Images)
Catherine Oxenberg during American Movie Classics Presents 'Ladies Of The Musicals' at Beverly Hills Hotel in Beverly Hills, California, United States. (Photo by SGranitz/WireImage)
Casper Van Dien and Catherine Oxenberg during 'Deep Blue Sea' Westwood Premiere at Mann Village Theatre in Westwood, California, United States. (Photo by Ron Galella/WireImage)
Catherine Oxenberg & Daughter during 'Bowfinger' Los Angeles Premiere at Universal Amphitheatre in Universal City, California, United States. (Photo by SGranitz/WireImage)
Casper Van Dien, Catherine Oxenberg, His Daughter Grace Van Dien, Her Daughter India Oxenberg, and His Son Cappy Van Dien (Photo by Ron Galella/WireImage)
Catherine Oxenberg during 2000 NBC Summer TCA Press Tour - July 19, 2000 at Jillians Hi-Life Lanes in Universal City, California, United States. (Photo by Ron Galella/WireImage)
Catherine Oxenberg and Casper Van Dien during The 58th Annual Golden Globe Awards - Talk Magazine Party at Mondrian Hotel in West Hollywood, California, United States. (Photo by Ron Galella/WireImage)
HOLLYWOOD - JUNE 28: Actress Catherine Oxenberg attends a ceremony honoring actor Michael York with a star on the Hollywood Walk of Fame on Hollywood Boulevard on June 28, 2002 in Hollywood, California. (Photo by Vince Bucci/Getty Images)
Casper Van Dien and Catherine Oxenberg. during The 17th Annual Genesis Awards - Show at The Beverly Hilton Hotel in Beverly Hills, California, United States. (Photo by Steve Grayson/WireImage)
HOLLYWOOD - AUGUST 11: (U.S. TABS AND HOLLYWOOD REPORTER OUT) Actress Catherine Oxenberg arrives for the Warner Bros. skateboarding comedy feature film 'Grind' at Grauman's Chinese Theatre August 11, 2003 in Hollywood, California. (Photo by Carlo Allegri/Getty Images)
Casper Van Dien and Catherine Oxenberg during ABC's 50th Anniversary Celebration at The Pantages Theater in Hollywood, California, United States. (Photo by SGranitz/WireImage)
Casper Van Dien and Catherine Oxenberg during Pre-Emmy Party to Honor John Paul DeJoria's Patron Spirits - September 20, 2003 at Private Residence in Malibu, California, United States. (Photo by M. Caulfield/WireImage)
Actors Casper Van Dien and wife Catherine Oxenberg arrive at the 2004 IFP Independent Spirit Awards. (Photo by Frank Trapper/Corbis via Getty Images)
LOS ANGELES - APRIL 21: Actress Catherine Oxenberg arrives for the Cocktail Party to celebrate Warners' thriller 'House Of Wax' at Kitson on April 21, 2005 in Los Angeles, California. (Photo by Michael Buckner/Getty Images)
Casper Van Dien and Catherine Oxenberg during 12th Annual Race to Erase MS Co-Chaired by Tommy Hilfiger and Nancy Davis - Arrivals at Century Plaza Hotel in Century City, California, United States. (Photo by SGranitz/WireImage)
Casper Van Dien and Catherine Oxenberg during 'XXX: State of the Union' Los Angeles Premiere - Arrivals at Mann Village Westwood in Westwood, California, United States. (Photo by SGranitz/WireImage)
HOLLYWOOD, CA - APRIL 28: Actor Casper Van Dien, daughters Celeste and Maya and wife actress Catherine Oxenberg arrive at the Los Angeles premiere of Warner Brothers' 'Duma' at the Cinerama Dome at ArcLight Theatres on April 28, 2005 in Hollywood, California. (Photo by Michael Buckner/Getty Images)
MALIBU, CA - JUNE 3: Casper Van Dien, Grace Van Dien, Catherine Oxenberg and India Van Dienat the 3rd Annual Malibu Global Awareness Dinner Gala And Celebration For Doctors Without Borders June 3, 2006 in Malibu, California. In 1998 Doctors Without Borders won the Hilton Humanitarian Prize and in 1999 won the Nobel Peace Prize. (Photo by John M. Heller/Getty Images)
HOLLYWOOD - NOVEMBER 26: Actress Catherine Oxenberg and her guest attend The 75th Annual Hollywood Christmas Parade on November 26, 2006 in Hollywood, California. (Photo by Frederick M. Brown/Getty Images)
BEVERLY HILLS, CA - MARCH 24: Actors Casper Van Dien (L) and Catherine Oxenberg (R) pose with their daughter Grace (C) at the 21st Genesis Awards presented by The Hollywood Humane Society at the Beverly Hilton Hotel on March 24, 2007 in Beverly Hills, California. (Photo by Stephen Shugerman/Getty Images)
Catherine Oxenberg, India Oxenberg and Casper Van Dien (Photo by E. Charbonneau/WireImage for Showtime Networks)
Actors Catherine Oxenberg, Casper Van Dien and family attend the pre-Emmy HBO luxury lounge held at the Four Seasons Hotel on September 15th, 2007 in Los Angeles, California. (Photo by Jean-Paul Aussenard/WireImage)
LOS ANGELES, CA - SEPTEMBER 28: Catherine Oxenberg and Casper Van Dien arrives at Yes! On Prop 2 Party hosted by Ellen DeGeneres And Portia de Rossi on September 28, 2008 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - AUGUST 20: Actress Catherine Oxenberg attends the taping of the PBS Television Special 'The Answer Is You' at Club Nokia on August 20, 2009 in Los Angeles, California. (Photo by John M. Heller/Getty Images)
WEST HOLLYWOOD, CA - FEBRUARY 15: Actress Catherine Oxenberg attends the USA Network and The Moth presentation of 'A More Perfect Union: Stories Of Prejudice And Power' at Pacific Design Center on February 15, 2012 in West Hollywood, California. (Photo by Paul Archuleta/FilmMagic)
SANTA MONICA, CA - NOVEMBER 05: Actor Casper Van Dien and actress Catherine Oxenberg arrives for Asylum 15th Anniversary Party And Red Carpet held at Pacific Park at the Santa Monica Pier on November 5, 2012 in Santa Monica, California. (Photo by Albert L. Ortega/Getty Images)
LONDON, ENGLAND - OCTOBER 17: (CL) Casper Van Dien and Catherine Oxenberg attend the book launch party for 'The Queen Of Four Kingdoms' by Princess Michael of Kent at The Orangery on October 17, 2013 in London, England. (Photo by Nick Harvey/WireImage)
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“You need to save your daughter, you need to save India," the friend reportedly told her.

Other former members of the program said there was a "secret sisterhood" within the organization, with one alleging to People that she was branded below her hip with the leader, 57-year-old Keith Raniere's, initials. He's reportedly known as Vanguard to his followers.

Again in April when Oxenberg spoke with her daughter, India said her hair was falling out and that she hadn't had her period in over a year.

When India came home in May, she was confronted by her mother but ignored her concerns. 

She then wrote on Facebook, “I’m absolutely fine, great actually. I would never put myself or the people I love into any danger.”

Oxenberg is now asking the media for help, telling People, “I’ve lost my child and will do whatever I can to get her back.”

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