
Michael Rennie
Where to watch Michael Rennie in United States. On screen since 1931. Licensed apps only — 24 titles we track below.
Michael Rennie (born August 1909 – June 10, 1971) was an English actor best known for his role as Klaatu in the science fiction classic The Day the Earth Stood Still (1951). He enjoyed a successful career spanning film, television, and theater, gaining fame for his dignified and often authoritative roles. Michael Rennie was born Eric Alexander Rennie in Ilford, Essex, England.
His early interest in acting led him to the Royal Academy of Dramatic Art (RADA), where he trained and developed his skills as a performer. He worked initially in British theater before transitioning to film. Rennie’s early career included several roles in British films, but it was his move to Hollywood in the 1940s that helped him gain more widespread recognition.
He appeared in a series of films, often portraying dignified or authoritative characters, with his tall stature, smooth voice, and good looks making him a natural fit for leading roles. His breakthrough came with the science fiction film The Day the Earth Stood Still (1951), where he portrayed the alien visitor Klaatu. The film is considered one of the most influential sci-fi movies of all time, and Rennie’s portrayal of the calm and rational Klaatu became iconic.
Where to watch their titles

The Day the Earth Stood Still
Klaatu / Mr. Carpenter · 1951

Batman
Sandman · 1966

Bonanza
Prof. Poppy / Dr. P.A. Mundy · 1959

The Robe
Peter · 1953

Alfred Hitchcock Presents
Allen Bliss · 1955

The Time Tunnel
Capt. Malcolm Smith · 1966

Secret Agent
Army Captain (uncredited) · 1936

Titanic
End Narrator (Voice) · 1953

Perry Mason
Prof. Edward Lindley · 1957

Lost in Space
The Keeper · 1965

The Desert Fox: The Story of Rommel
Narrator (voice) (uncredited) · 1951

The Lost World
Lord John Roxton · 1960

5 Fingers
Colin Travers · 1952

The Desert Rats
Narrator (voice) (uncredited) · 1953

Demetrius and the Gladiators
Peter · 1954

The Devil's Brigade
Lt. Gen. Mark Clark · 1968

The Alfred Hitchcock Hour
Ralph Manson · 1962

The Man from U.N.C.L.E.
Barnaby Partridge · 1964

The Invaders
Magnus · 1967

Caesar and Cleopatra
1st Centurion · 1945

Désirée
Bernadotte · 1954

Assignment Terror
Dr. Odo Warnoff · 1970

Dangerous Crossing
Dr. Paul Manning · 1953

Naked You Die
Inspector Durand · 1968