Career: Willis started out on stage and had small parts in movies and on TV before landing a lead role in hit series Moonlighting in 1985. The show's success led to major film roles and a brief stint in music. In 1988 he scored a massive hit on the big screen with Die Hard. Other successes include Pulp Fiction, Twelve Monkeys, Armageddon, The Sixth Sense and Unbreakable. In 2001 he announced he was steering clear of violent roles, but relented and went on to star in Hostage, Sin City and 16 Blocks. He scored another major success with A Good Day to Die Hard, and always has several movies in the pipeline (a fifth Die Hard film is being developed). Other recent films include Moonrise Kingdom, Red 2 and Sin City: A Dame to Die For.

Career: At an audition, Dennis met director Robert Altman, who persuaded him to move to Los Angeles, where he soon began picking up regular work. He made his movie debut in 1978's The Fury, following it up with such forgettable productions as A Wedding, Stony Island and A Perfect Couple. He appeared to have landed his breakthrough role in Altman's Popeye in 1980, but it was a huge flop, and he had to wait another five years before becoming a star thanks to a regular role in TV drama Hill Street Blues. He went on to appear in The Player (another Altman movie) and Die Hard 2. Dennis was a founding cast member of NYPD Blue in 1993 and stayed with the show until it ended in 2005. He won four Emmy Awards for his work on the series, and between runs made appearances in films such as City of Angels and American Buffalo.