How much the stars of 'Girl on the Train' are worth

Based on the best-selling novel by Paula Hawkins, "The Girl on the Train" — in theaters Oct. 7 — tells the story of Rachel, a recent divorcee fixated on a seemingly picture-perfect couple who live in a house situated on her daily train route. However, her fantasy quickly fades when she witnesses a shocking event one morning and finds herself caught in the center of the mystery.

Here's a look at "The Girl on the Train" cast, their fortunes and biggest film successes:

Allison Janney

Allison Janney Net Worth: $4 Million

Allison Janney is Officer Riley in "The Girl on the Train," a hard-nosed police detective who thinks Rachel is mentally unstable. She's suspicious of Rachel and believes she might have been motivated to kill Megan Hipwell — the object of her obsession.

In addition to her role in "The Girl on the Train," Janney is also starring on the television series "Mom." She also appeared on "Masters of Sex" and famously held a starring role on "The West Wing." She's received numerous honors for her work, including six Primetime Emmys.

Here's a look at some of Janney's top-grossing films at the worldwide box office:

"Finding Dory" — $970.1 million
"American Beauty" — $356.3 million
"Juno" — $231.4 million
"The Help" — $216.6 million
"Hairspray" — $202.5 million

Laura Prepon

Laura Prepon Net Worth: $12 Million

Cathy — Rachel's roommate, landlord and college friend — is played by Laura Prepon. Rachel unsuccessfully tries to keep her alcoholism from Cathy, who is beyond fed up with her behavior and threatens to evict her.

Prepon is most famous for her starring roles on the TV series "Orange Is the New Black" and "That '70s Show." She held the title role in the 2012 series "Are You There, Chelsea?" and has guest starred on a number of other hit shows, including "Castle," "How I Met Your Mother" and "Medium."

Although she's best known for her work on television, Prepon has appeared in a number of films, including:

"Slackers" — $6.4 million
"Lay the Favorite" — $1.6 million
"Come Early Morning" — $161,408
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Emily Blunt

Emily Blunt Net Worth: $16 Million

Emily Blunt plays Rachel Watson, a recently divorced, lonely alcoholic who obsesses over the couple Megan and Scott Hipwell — played by Hayley Bennett and Luke Evans. One day, Megan goes missing and Rachel finds herself in the midst of a mystery.

Back in 2007, Blunt won a Golden Globe for her work on "Gideon's Daughter," and since then she's become a silver screen mainstay. John Krasinski's wife has starred in a slew of films, including "The Devil Wears Prada," "Edge of Tomorrow," "The Five-Year Engagement," "Sicario" and "The Huntsman: Winter's War."

The mother of two has a busy schedule through 2018, as she's slated to star in "Animal Crackers," "My Little Pony: The Movie," "Gnomeo & Juliet: Sherlock Gnomes" and "Mary Poppins Returns."

Blunt movies have earned nearly $2.5 billion at box offices worldwide, with her top five highest-grossing films including:

"Edge of Tomorrow" — $370.5 million
"The Devil Wears Prada" — $326.6 million
"Gulliver's Travels" — $237.4 million
"Into the Woods" — $213.1 million
"Gnomeo and Juliet" — $194 million

Justin Theroux

Justin Theroux Net Worth: $20 Million

Justin Theroux is Tom Watson, Rachel's ex-husband who left her for a woman named Anna — played by Rebecca Ferguson — because he couldn't take her excessive drinking any longer. Tom and Anna have a newborn baby, and the three of them still live in the house he bought with Rachel.

"The Girl on the Train" star is doing double duty as the star of the HBO television series "The Leftovers." Next up for Jennifer Aniston's husband is a starring role as the voice of Garmadon in the upcoming film "The Lego Ninjago Movie." Over the past few years, his profile has soared to leading man status, though he's been a Hollywood mainstay for years, with dozens of credits to his name, including "Zoolander 2," "Wanderlust" and "Charlie's Angels: Full Throttle."

Five of Theroux's most high-profile films and their earnings include:

"Charlie's Angels: Full Throttle" — $259.2 million
"Miami Vice" — $163.8 million
"Zoolander 2" — $56 million
"American Psycho" — $34.3 million
"Wanderlust" — $21.6 million
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Lisa Kudrow

Lisa Kudrow Net Worth: $70 Million

If you read "The Girl on the Train" novel, you won't remember Lisa Kudrow's character Monica, because the part was added in for the movie. Monica is a former colleague of Tom Watson.

Since starting her acting career back in the 80s, Kudrow has starred in dozens of movies and television shows, but she's most famous for her work as Phoebe Buffay on the hit TV series "Friends." That role earned her an Emmy and two Screen Actors Guild Awards.

The actress also starred in the television series "The Comeback" and "Web Therapy," in addition to a guest starring role on "BoJack Horseman." Along with countless television projects, she's also appeared in a number of films, such as "P.S. I Love You," "Neighbors 2: Sorority Rising" and "Analyze This."

Kudrow's movies have generated over $691 million at theaters worldwide, with her top five box office hits including:

"Analyze This" — $176.9 million
"Dr. Dolittle 2" — $176.1 million
"P.S. I Love You" — $156.8 million
"Hotel for Dogs: — $117 million
"Easy A" — $75 million

Net worth figures are indicative of assets versus liabilities. All net worth figures are according to CelebrityNetWorth.com unless otherwise noted. Box office earnings according to BoxOfficeMojo.com.

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