Career: Clarke made his TV debut in the late 1960s, and went on to appear in episodes of Coronation Street, The Avengers, Callan, and The Virgin Soldiers before getting his big break with a prominent role in the controversial A Clockwork Orange in 1971. A variety of TV and movie work followed, including Shelley, SOS Titanic, Ishtar (alongside his namesake, Beatty) and Tinker, Tailor, Soldier, Spy. High-profile roles later came in The Manageress, ID, The Mystery of Men, The Deputy, and Down to Earth. He became a household name thanks to a starring role in Dalziel & Pascoe, which first aired in 1996. He also appeared in Bleak House, Christmas at the Riviera, The Invisibles, Red Riding, Just William, and In with the Flynns. He died peacefully in his sleep on November 12, 2014 at the age of 67.

Career: Soul made his movie debut in The Secret Sharer. He appeared on several TV shows, including I Dream Of Jeannie, Star Trek, Ironside, and Cannon, and had a role in Magnum Force before hitting the big time in 1975 when he was cast as Ken Hutchinson in Starsky and Hutch. The detective drama became a worldwide success and helped launch his pop career, which included several hits. He's since had roles in Salem's Lot, Holby City, Dalziel and Pascoe and Little Britain. He financed, produced and directed award-winning documentary The Fighting Ministers, then starred on the stage in Jerry Springer: The Opera. His most recent role was a cameo in the movie Filth.

Career: Cavanagh went on to make guest appearances in a number of shows, including Holby City, Peak Practice, Where the Heart Is, Judge John Deed, Shameless, Cracker and Blue Murder. She had recurring roles in The Cops and Dalziel and Pascoe. Since 2008, she has played Julie Carp in Coronation Street.

Career: Boardman's TV credits include guest appearances in The Bill, Holby City, Dalziel and Pascoe, The Street, Midsomer Murders, Trollied and Death in Paradise. He has had recurring roles in Rome, Drop Dead Gorgeous, Ladies of Letters, Great Night Out, Da Vinci's Demons, and The Interceptor. His film credits include London Boulevard (2010).