'Girl On The Train' star Justin Theroux reveals how he chooses the roles he takes on

By: Gibson Johns

Justin Theroux's character in "The Girl On The Train," Tom Watson, may not be who he seems to be, and that's exactly what attracted the actor to the role.

Actually, that's what attracts him to every single role that he takes on.

SEE ALSO: Emily Blunt recalls the hardest part of playing Rachel in 'The Girl On The Train'

"It's what attracts me to any role: There's what people present, and then there's who they really are," he explained exclusively to AOL when we sat down with him last week.

Theroux, who says his character considers himself to be a "victim of circumstance" who has made a series of "terrible decisions," actually read Tate Taylor's script before reading the Paula Hawkins best-seller it was based on. Regardless, though, he thinks that both versions of the story share the same tone and rip the illusion of perfect suburban lives apart.

See photos of Justin Theroux and wife Jennifer Aniston:

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Jennifer Aniston and Justin Theroux
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Jennifer Aniston and Justin Theroux
AUSTIN, TX - OCTOBER 03: Actors Justin Theroux and Jennifer Aniston attend HBO's 'The Leftovers' Season 2 Premiere at Paramount Theatre on October 3, 2015 in Austin, Texas. (Photo by C Flanigan/WireImage)
BEVERLY HILLS, CA - FEBRUARY 22: Actors Justin Theroux and Jennifer Aniston arrive at the 2015 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 22, 2015 in Beverly Hills, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
BEVERLY HILLS, CA - FEBRUARY 22: Justin Theroux and Jennifer Aniston arrive at the 2015 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 22, 2015 in Beverly Hills, California. (Photo by Anthony Harvey/Getty Images)
HOLLYWOOD, CA - FEBRUARY 22: Actors Jennifer Aniston and Justin Theroux arrive at the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Gregg DeGuire/WireImage)
LOS ANGELES, CA - JANUARY 25: Actors Justin Theroux and Jennifer Aniston arrive at the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
LOS ANGELES, CA - JANUARY 25: Justin Theroux and Jennifer Aniston attend TNT's 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. 25184_016 (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - JANUARY 15: Actor Justin Theroux and actress Jennifer Aniston arrive at the 20th Annual Critics' Choice Movie Awards at Hollywood Palladium on January 15, 2015 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES, CA - JANUARY 15: (EXCLUSIVE COVERAGE) Actors Jennifer Aniston (L) and Justin Theroux during the 20th annual Critics' Choice Movie Awards at the Hollywood Palladium on January 15, 2015 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for CCMA)
BEVERLY HILLS, CA - JANUARY 11: Actor Justin Theroux and actress Jennifer Aniston attend HBO's post Golden Globe Awards party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)
BEVERLY HILLS, CA - JANUARY 11: Actor Justin Theroux and actress Jennifer Aniston arrive at the 16th Annual Warner Bros. And InStyle Post-Golden Globe Party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
BEVERLY HILLS, CA - JANUARY 11: 72nd ANNUAL GOLDEN GLOBE AWARDS -- Pictured: (l-r) Actor Justin Theroux and actress Jennifer Aniston arrive to the 72nd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 11, 2015. (Photo by Kevork Djansezian/NBC/NBC via Getty Images)
LOS ANGELES, CA - JANUARY 06: (L-R) Comedian Chelsea Handler, author Arianna Huffington and actors Jennifer Aniston and Justin Theroux attend as Arianna Huffington hosts a special lunch at home for Jennifer Aniston to celebrate CAKE on January 6, 2015 in Los Angeles, California. (Photo by Ari Perilstein/Getty Images for LTLA)
HOLLYWOOD, CA - NOVEMBER 08: Actor Justin Theroux (L) and actress Jennifer Aniston attend the Academy Of Motion Picture Arts And Sciences' 2014 Governors Awards at The Ray Dolby Ballroom at Hollywood & Highland Center on November 8, 2014 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
TORONTO, ON - SEPTEMBER 08: Actor Justin Theroux (L) and actress/executive producer Jennifer Aniston attend the 'Cake' cocktail reception presented by PANDORA Jewelry at West Bar on September 8, 2014 in Toronto, Canada. (Photo by Alberto E. Rodriguez/Getty Images for LTLA)
TORONTO, ON - SEPTEMBER 08: (EXCLUSIVE COVERAGE) Actress/Executive Producer Jennifer Aniston (L) and actor Justin Theroux attend the 'Cake' premiere during the 2014 Toronto International Film Festival at The Elgin on September 8, 2014 in Toronto, Canada. (Photo by George Pimentel/WireImage,)
NEW YORK, NY - JUNE 23: Justin Theroux and Jennifer Aniston attend 'The Leftovers' premiere at NYU Skirball Center on June 23, 2014 in New York City. (Photo by Walter McBride/Getty Images)
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And he hopes that audiences experience that thrill when they see the film, which opens nationwide on Oct. 7.

"I hope that they go on a ride," he explained with a grin. "No pun intended."

Check out our full interview with Justin Theroux in the video above.

See photos from the American premiere of "The Girl On The Train":

18 PHOTOS
'Girl On The Train' premiere
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'Girl On The Train' premiere
NEW YORK, NY - OCTOBER 04: Actress Emily Blunt attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - OCTOBER 04: Writer Erin Cressida Wilson attends 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Actress Emily Blunt attends 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Actress Haley Bennett attends the 'The Girl On The Train' premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Donna Ward/Getty Images)
NEW YORK, NY - OCTOBER 04: Actor Justin Theroux attends 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Director Tate Taylor attends 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Laura Prepon and Ben Foster attend the 'The Girl On The Train' premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Donna Ward/Getty Images)
NEW YORK, NY - OCTOBER 04: Producer Mark Platt attends 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Emily Blunt (L) and John Krasinski attend 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Matthew Eisman/Getty Images)
NEW YORK, NY - OCTOBER 04: Actor Edgar Ramirez attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - OCTOBER 04: Laura Prepon attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
NEW YORK, NY - OCTOBER 04: Screenwriter Erin Cressida Wilson attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
NEW YORK, NY - OCTOBER 04: Edgar Ramirez attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
NEW YORK, NY - OCTOBER 04: Actor Justin Theroux attends 'The Girl on the Train' New York premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - OCTOBER 04: Emily Blunt attends the 'The Girl On The Train' New York Premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - OCTOBER 04: Actress Haley Bennett attends 'The Girl on the Train' premiere at Regal E-Walk on October 4, 2016 in New York City. (Photo by Jimi Celeste/Patrick McMullan via Getty Images)
NEW YORK, NY - OCTOBER 04: Actor John Krasinski attends the 'The Girl On The Train' premiere at Regal E-Walk Stadium 13 on October 4, 2016 in New York City. (Photo by Donna Ward/Getty Images)
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