Career: Made his movie debut in 1970's Hercules in New York, and gained a Golden Globe for Best Newcomer in 1976's Stay Hungry, but didn't become a star until Conan the Barbarian in 1982.The 1980s proved a successful decade thanks to hits Raw Deal, Predator, The Running Man, The Terminator and Twins, a rare foray into comedy. Terminator 2, True Lies and Junior followed these in the 1990s. In the latter years of his career he suffered a number of flops, and Terminator 3 was his last moderate hit. Today he is best known as the former Governor of California, although he has resurrected his big-screen career with roles in The Expendables 2, The Last Stand and The Tomb.

Career: Worthington began landing guest starring roles in a number of TV shows, including JAG, Water Rats and Blue Heelers. He made his film debut in the Australian movie Bootmen (2000). Film roles followed in Hart's War (2002), Dirty Deeds (2002) and Gettin' Square (2003). His first break came a year later when he landed his first lead role in Somersault (2004) opposite Abbie Cornish. His international career took off in 2009 after playing Marcus Wright in James Cameron's Avatar. Since then, he has starred in Terminator Salvation (2009), Clash of the Titans (2010), Last Night (2010), Texas Killing Fields (2011), Wrath of the Titans (2012) and Cake (2014). Avatar sequels are in the pipeline.

Career: After graduating from Carnegie Mellon, Manganiello moved to Los Angeles, California and gained his first film role in Spider-Man (2002). He had various parts on such TV series as ER, How I Met Your Mother and One Tree Hill before landing the role of Alcide Herveaux in fantasy horror series True Blood. Since then, he has had roles in a number of films, including What to Expect When You're Expecting (2012), Sabotage (2014), Magic Mike (2012) and its sequel Magic Mike XXL (2015). Manganiello is also a published author, having released his first book, Evolution, in late 2013.

Career: On deciding he wanted to be an actor, Holloway moved to Los Angeles. Early roles came in Aerosmith's video for their song Cryin', and the film Cold Heart (2001). He also had a small part in an episode of Angel. He first came to prominance in the US thanks to the TV movie Sabretooth in 2002. Other projects around this time included the films Moving August (2002), Mi Amigo (2002) and Doctor Benny (2003), and series such as CSI: Crime Scene Investigation, Walker, Texas Ranger, The Lyon's Den and NCIS. But it was playing Sawyer in mega-hit Lost which turned him into a household name. He starred in 116 episodes between 2004 and 2010. Since then, he has starred in Mission: Impossible - Ghost Protocol (2011), Paranoia (2013) and Sabotage (2014). In 2014, he played a lead character in short-lived action TV series Intelligence.

Career: Howard made his film debut in Mr Holland's Opus (1995) and in the late 1990s, he starred in two seasons of the sitcom Sparks. Since then, he has been involved in a number of TV shows and movies. His TV credits include NYPD Blue, Street Time, Law & Order: LA, Wayward Pines, and Empire. He has starred on the big screen in Big Momma's House (2000), Hart's War (2002), Biker Boys (2003), Ray (2004) and Crash (2004). He was nominated for an Academy Award for Best Actor for his role in Hustle & Flow (2005). His biggest film to date is Iron Man (2008). More recently, he has starred in Winnie (2011), Lee Daniels' The Butler (2013), The Best Man Holiday (2013) and Lullaby (2014).