
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.

The Avengers
TV • 1961

No Hiding Place
TV • 1959

Thriller
TV • 1973

The Champions
TV • 1968

Public Eye
TV • 1965

Gideon's Way
TV • 1965

Out of This World
TV • 1962

Cilla
TV • 1968

Hadleigh
TV • 1969

Adam Adamant Lives!
TV • 1966

The Caesars
TV • 1968

A Night to Remember
MOVIE • 1958

The Admirable Crichton
MOVIE • 1957

The Lady Vanishes
MOVIE • 1979

The Shoes of the Fisherman
MOVIE • 1968

Gazette
TV • 1968

Verity Lambert: Drama Queen
MOVIE • 2008

The League of Gentlemen
MOVIE • 1960