Released in 1999, 'Go' starred an ensemble cast including young stars Katie Holmes, Timothy Olyphant, and Sarah Polley, and weaving a tale of the interconnecting lives of its various characters as they become involved in a singular drug deal. 'Go' was a hit, drawing comparisons to the energy and style of Quentin Tarantino. 15 years later, we revisit the cast of this clever black comedy and see what they're up to now. 

Sarah Polley, Ronna Martin

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Then: Sarah Polley played Ronna, a grocery store clerk who is broke and on the edge of eviction when she meets her co-worker Simon's friends and gets involved in a drug deal, hoping to make some extra cash. Polley was best known for her previous roles in 'The Adventures of Baron Munchausen' and 'The Sweet Hereafter.'

Now: Following roles in the indies 'No Such Thing' and 'My Life Without Me,' Polley starred in the remake of 'Dawn of the Dead' and in the horror film 'Splice.' She also had a recurring role on the British series 'Slings and Arrows' alongside her father, fellow actor Michael Polley, and starred on the HBO miniseries 'John Adams.' In addition to acting, Polley has also written and directed the films 'Away From Her,' 'Take This Waltz,' and more recently, the documentary 'Stories We Tell,' which follows Polley as she investigates the mysteries surrounding her deceased mother and her own heritage.

Desmond Askew, Simon Baines

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Then: Desmond Askew played Simon, Ronna's co-worker who gives her his shift and heads off to Las Vegas with his friends. Askew was previously known in his native England for appearing on the series 'Jack the Ripper' and 'Grange Hill.'

Now: Askew had a recurring role on the WB teen sci-fi series 'Roswell' and guest-starred on 'Charmed.' He also starred in the horror flicks 'The Hills Have Eyes,' 'Turistas,' and 'No Man's Land: The Rise of Reeker.' These days, he's lending his voice to video games like BioShock 2, Resident Evil: Operation Raccoon City, and Call of Duty: Black Ops II.

Scott Wolf, Adam

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Then: 'Party of Five' star Scott Wolf played Adam, a daytime soap opera actor who is secretly in a gay relationship with Zack.

Now: 'Party of Five' ended in 2000, and Wolf went on to star on the WB series 'Everwood,' as well as the short-lived shows 'The Nine' and 'V.' He hasn't appeared in many films since 'Go,' though he lent his voice to Disney's direct-to-video movie 'Lady and the Tramp 2: Scamp's Adventure,' and appears in the upcoming film '37.' Wolf's been spending most of his time on TV, guest-starring on episodes of 'NCIS,' and providing the main voice to the animated series 'Kaijudo: Rise of the Duel Masters.' He also currently stars on the TNT series 'Perception' with former teen star Rachael Leigh Cook.

Jay Mohr, Zack

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Then: Comedian Jay Mohr played Zack, Adam's soap opera co-star and secret lover who is trying to buy drugs from Ronna. Mohr had previously starred in the films 'Jerry Maguire,' 'Picture Perfect,' and 'Suicide Kings.'

Now: Mohr also starred in films like 'Pay It Forward,' 'Are We There Yet?,' and 'Hereafter,' and has guest-starred on 'Scrubs' and 'The West Wing.' He's had recurring roles on 'Ghost Whisperer' and 'Suburgatory,' as well. In 2003, Mohr created, produced, and hosted the NBC reality competition series 'Last Comic Standing,' which was canceled after only a few seasons. When the show was later revived, Mohr remained on as a consultant but did not host. Mohr hosts a daily talk show on Fox Sports Radio and his own podcast called Mohr Stories.

William Fichtner, Burke

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Then: William Fichtner played the mysterious Burke, whom Ronna meets through Adam and Zack and whose request for drugs makes her uneasy. Fichtner was previously known for his roles in 'Strange Days,' 'Heat,' and 'Armageddon.'

Now: Fichtner is known for his offbeat style of acting in films like 'Pearl Harbor,' 'Blades of Glory,' 'The Dark Knight,' 'Date Night,' and 'Drive Angry.' He starred on the Fox series 'Prison Break' and had a recurring role on 'Entourage,' and currently stars on the series 'Crossing Lines.' Fichtner recently starred in 'Elysium' and 'The Lone Ranger,' and is lending his voice to the role of Shredder in the upcoming 'Teenage Mutant Ninja Turtles' film from producer Michael Bay.

Katie Holmes, Claire Montgomery

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Then: 'Dawson's Creek' star Katie Holmes was trying to shed her TV girl next door image when she played Claire, Ronna's friend and co-worker who joins Ronna on her misadventure. Around the same time, she starred in the horror films 'Disturbing Behavior' and 'Teaching Mrs. Tingle.'

Now: 'Dawson's Creek' ended in 2003, but Holmes has had no trouble with work: she's starred in films like 'The Gift,' 'Phone Booth,' 'Pieces of April,' 'Batman Begins,' 'Thank You For Smoking,' 'Don't Be Afraid of the Dark,' and 'Jack and Jill.' Holmes portrayed Jackie Kennedy on the miniseries 'The Kennedys,' and guest-starred on a couple of episodes of 'How I Met Your Mother,' and recently appeared in the film 'Days and Nights.' Up next, she'll star in the film adaptation of 'The Giver' with Meryl Streep and Jeff Bridges.

Taye Diggs, Marcus

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Then: Taye Diggs played Marcus, a British friend of Simon's who goes with him to Las Vegas for a separate adventure. Diggs had previously originated the role of Benny in the musical 'Rent,' and starred in 'How Stella Got Her Groove Back.'

Now: Diggs went on to appear in 'The Best Man,' the remake of 'House on Haunted Hill,' and reunited with William Fichtner for the action flick 'Equilibrium.' He reprised the role of Benny for the film version of 'Rent' in 2005, and from 2007 to 2013, he starred on the 'Grey's Anatomy' spin-off 'Private Practice.' Recently, he reprised his role for 'The Best Man Holiday' and appeared in the film 'Baggage Claim,' and guest-starred on an episode of 'New Girl.' You can see him next on the upcoming TNT series 'Murder in the First,' which premieres this summer.

Breckin Meyer, Tiny

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Then: Breckin Meyer played Tiny, one of Simon and Marcus' friends along for the Las Vegas trip. Meyer was previously best known for the role of Travis Birkenstock in the hit teen comedy 'Clueless.'

Now: Meyer went on to appear in the films 'Road Trip,' 'Josie and the Pussycats,' 'Kate and Leopold,' and 'Ghosts of Girlfriends Past.' From 2000 to 2009, he voiced the character of Dale's teen son Joseph on Mike Judge's animated series 'King of the Hill,' and since 2005, he's been a producer and voiced various character on the Adult Swim series 'Robot Chicken,' co-created by Seth Green, who appeared with Meyer in the teen film 'Can't Hardly Wait.' Since 2011, Meyer has starred on the series 'Franklin and Bash,' and he is also the co-creator and writer of the series 'Men at Work.'

James Duval, Singh

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Then: James Duval played Simon and Marcus' friend Singh, who, along with Tiny, gets food poisoning in Vegas. At the time, Duval was best known to general audiences for his supporting role in 'Independence Day,' and to the indie crowds for his roles in Gregg Araki films like 'Nowhere' and 'The Doom Generation.'

Now: Duval went on to appear in 'Gone in 60 Seconds' and 'Donnie Darko,' and the indie horror flick 'May.' After appearing in a slew of B-movies over the years, Duval reunited with director Gregg Araki for a role in 'Kaboom' in 2010, and has appeared in the recent horror movies 'Alyce Kills' and 'Sushi Girl.'

Melissa McCarthy, Sandra

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Then: Way back when, Melissa McCarthy's first film role was playing Sandra, who has a funny encounter with Adam and Zack, though she only got about a minute of screen time.

Now: McCarthy went on to star on the hit series 'Gilmore Girls' from 2000 to 2007, but she became a major star in 2011 with her supporting role in 'Bridesmaids' and her role on the sitcom 'Mike and Molly.' Since then, she's appeared in the films 'This Is 40,' 'Identity Thief,' and reunited with 'Bridesmaids' director Paul Feig for female buddy cop comedy 'The Heat' with Sandra Bullock. She's also hosted 'SNL' three times in the last few years, further cementing her star status. Up next, McCarthy stars in 'Tammy,' 'St. Vincent de Van Nuys,' and teams up with Paul Feig again for the comedy 'Spy.'

Jane Krakowski, Irene

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Then: Jane Krakowski played Irene, Burke's very strange wife who tries to seduce Adam. At the time, Krakowski was starring on the series 'Ally McBeal.' A trained singer and theater actress, she was also known for her stage performances.

Now: Krakowski appeared in the films 'Alfie,' 'Pretty Persuasion,' 'The Rocker,' and lent her voice to the animated 'Open Season' films. But she's best known for playing Jenna Maroney on Tina Fey's long-running NBC series '30 Rock,' which ended its run in 2013. Recently, she lent her voice to an episode of 'The Simpsons' and guest-starred on 'Modern Family.' She also appears in Tropicana orange juice commercials, the most recent of which co-stars fellow actress Judy Greer.