Derek Deadman is a British actor. He played Ringo in 39 of the 66 episodes of the TV series Never the Twain between 1981 and 1991, and appeared as the barman of The Leaky Cauldron, Tom, in Harry Potter and the Philosopher's Stone. He often appears as minor roles in British films. He also played a ruthless Sontaran Commander in the Doctor Who episode The Invasion of Time. He also played the part of Robert in the film 'Time Bandits'.

The chances are, you have seen Derek Deadman in a movie - but just don't realize it! He is one of those actors to whom you instantly recognize the face, but not the name. He has starred in a whole array of films and television series since the 1970s, playing normally minor roles, generally as the fall guy who gets kicked around by some nasty villain, or as a comedic sidekicks to people such as Benny Hill. But it's minor roles that have seemed to keep this actor in business. Work has always seemed to be available to him and, most recently, Derek has starred in one of the Harry Potter movies, Harry Potter and the Sorcerer's Stone (2001), as Tom the Landlord. He has also appeared in the non-franchised James Bond film Never Say Never Again (1983); Robin Hood: Prince of Thieves (1991); Crush (2001/I) and other major films. If you happen to be watching a 1970s or 1980s British movie, look out for Derek Deadman - chances are he's in it!!