Gerald Harper (15 February 1931 – 2 July 2025) was an English actor, best known for his work on television, having played the title roles in Adam Adamant Lives! (1966–67) and Hadleigh (1969–76). He then returned to his main love, the theatre. Harper was married to actress Jane Downs from 1957 until they divorced in 1975. In 2001, when he was in his early seventies, he began a relationship with 30-year-old actress Sarah Alexander; the relationship ended when she left him for actor Peter Serafinowicz in 2002. Harper died at the age of 94 on 2 July 2025.

Filmography

• 2008Verity Lambert: Drama Queen
• 1990The Craig Ferguson Story — Stage Doorman
• 1979The Lady Vanishes — Todhunter
• 1976Princely Toys: One Man's Private Kingdom — narrator
• 1975If It's a Man – Hang Up! — Greg Miles
• Thriller — Greg Miles
• Hadleigh — James Hadleigh
• Gazette — James Hadleigh
• The Caesars — Lucius Vitellius
• The Champions — Croft
• 1968The Shoes of the Fisherman — Brian
• A Game of Murder — Det. Insp. Jack Kerry
• Adam Adamant Lives! — Adam Adamant
• A Man Called Harry Brent — DI Alan Milton
• Gideon's Way — Deputy Commander Rae Cox
• Public Eye — Raymond Franks
• 1965Strangler's Web — Inspector Murray
• The Joe Baker Show
• The Protectors — The Honourable Arthur Keir
• 1964Wonderful Life — Sheik / Scotsman / Harold
• 1963The Punch and Judy Man — 1st Drunk
• Out of This World — Colonel Tanner
• The Avengers — Colonel Corf
• 1961The Young Ones — Watts
• 1960The League of Gentlemen — Captain Saunders
• 1960Tunes of Glory — Major Hugo Macmillan
• No Hiding Place
• 1958A Night to Remember — 3rd Officer - Carpathia
• 1957The Admirable Crichton — Ernest
• 1956Stars in Your Eyes — Dicky
• 1956Tiger in the Smoke — Walter "Duds" Morrison
• 1955The Dam Busters — RAF Officer (uncredited)

Appearances as themselves (2)

• Noel's Telly Years — Self
• Cilla — Self