
Michael Rennie
Biography
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. The film's message of peace, tolerance, and warning against militarism resonated with audiences, and Rennie’s performance as the alien ambassador remains one of his most famous and enduring roles. Following The Day the Earth Stood Still, Rennie continued to appear in a variety of films, often in roles of authority or leadership. Some notable films he starred in include The Lost World (1960), The 27th Day (1957), and Journey to the Center of the Earth (1959), where he appeared alongside actors like James Mason and Pat Boone. Rennie also appeared in numerous television series, including The Twilight Zone, The Outer Limits, and The Invaders. In the 1960s, he had roles in various TV shows, further establishing his presence in the science fiction and adventure genres. Rennie was married twice. His first marriage was to actress Dorothy Dandridge in 1959, but they eventually divorced. Later, he married Shirley Sutherland, with whom he remained until his death. Despite his fame, Rennie led a relatively private life and was known to be a gentleman both on and off screen. He had a reputation for being reserved and professional, a trait that made him well-suited to the types of roles he was often cast in. Michael Rennie passed away on June 10, 1971, at the age of 61, from a heart attack while vacationing in Spain. His death marked the end of a distinguished career in film and television. Rennie’s most enduring legacy is his portrayal of Klaatu in The Day the Earth Stood Still, which remains a staple of science fiction cinema. His calm, authoritative presence in the film and his portrayal of an alien visitor with a message of peace continue to resonate with audiences and are considered a high point in 1950s science fiction. Throughout his career, he brought dignity and depth to the roles he played, earning him a place in cinematic history, particularly within the science fiction genre.
Also Known As
Movie Appearances

The Day the Earth Stood Still
as Klaatu, alias Mr. Carpenter
1951

Assignment Terror
as Dr. Odo Warnoff
1970

The Lost World
as Lord John Roxton
1960

This Man in Paris
as Gang Member (uncredited)
1939

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

The Patient Vanishes
as Inspector
1941

The Horror Show
as (archive footage)
1979

The Wicked Lady
as Kit Locksby
1945

Dangerous Crossing
as Dr. Paul Manning
1953

The Robe
as Peter
1953

Demetrius and the Gladiators
as Peter
1954

Désirée
as Bernadotte
1954

Island in the Sun
as Hilary Carson
1957

Cyborg 2087
as Garth A7
1966

Sailor of the King
as Lt. Richard Saville
1953

Soldier of Fortune
as Inspector Merryweather, Hong Kong Marine Police
1955

The Power
as Arthur Nordlund
1968

Third Man on the Mountain
as Captain John Winter
1959

King of the Khyber Rifles
as Brig. Gen. J. R. Maitland
1953

The Rains of Ranchipur
as Lord Albert Esketh
1955
TV Appearances

The Time Tunnel
as Capt. Malcolm Smith
1966

The Dick Powell Show
as Inspector Marshall
1961

The Great Adventure
as President Jefferson Davis
1963

Kraft Suspense Theatre
as Robert Thurston
1963

The F.B.I.
as Conrad Letterman
1965

Batman
as Sandman
1966

Route 66
1960

Lost in Space
as The Keeper
1965

Perry Mason
as Prof. Edward Lindley
1957

Alfred Hitchcock Presents
as Allen Bliss
1955

Daniel Boone
as Maj. Peter Wellington
1964

The Virginian
as Michael O'Rourke
1962