Derek Deadman is a British actor. He played Ringo for 14 episodes of the TV series Never the Twain, 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'.
