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.
1998
as The Keeper (archive footage)
1995
as Klaatu (archive footage) (uncredited)
1979
as (archive footage)
1970
as Dr. Odo Warnoff
1969
as Bernard Law Montgomery
1969
as Harvey Ward
1968
as Goldsmith
1968
as George McConnell
1968
as Blynn
1968
as Lt. Gen. Mark Clark
1968
as Arthur Nordlund
1968
as Inspector Durand
1967
as Major Worthington Clark
1967
as Paul Heaton
1967
as Tribolet
1967
1967
as Geoffrey - Duke of Lanbourne
1967
as Magnus
1967
as Vice Chancellor Pierre Alquist
1966
as Garth A7
1966
1966
1966
as Capt. Malcolm Smith
1966
as Sandman
1966
as Brooks Durham
1965
as Conrad Letterman
1965
as Albert Robinson / Major John Anka
1965
as Eric Reverson
1965
as The Keeper
1965
1964
as Maj. Peter Wellington
1964
as Edgar Newton
1964
as Barnaby Partridge
1964
as Gen. St. John Keighley
1963
as Dirk Winston
1963
as Robert Thurston
1963
as President Jefferson Davis
1962
as Ralph Manson
1962
as Michael O'Rourke
1960
1960
as Julius
1960
as Lord John Roxton
1959
as Captain John Winter
1959
as Self
1959
1959
as Prof. Poppy / Dr. P.A. Mundy
1958
as Captain Creighton
1958
as Stefan
1957
as Angus Martin
1957
1957
as Prof. Edward Lindley
1957
as Hasani Sabah
1957
as Hilary Carson
1956
as Jay Fallon
1956
as Matthew Birch
1956
as Grant Coburn
1956
as Marshal Locke Gardner
1955
as Lord Albert Esketh
1955
as Father Junipero Serra
1955
as Narrator
1955
as Allen Bliss
1955
as Sir Humphrey J. Orford
1955
as Dr. Henry Jekyll / Mr. Hyde
1955
as Inspector Merryweather, Hong Kong Marine Police
1954
as Bernadotte
1954
as Lord Edward Dominey / Major General Von Raggenstein
1954
as Dr. Henry Jekyll / Mr. Hyde
1954
as Charles Martin Westling
1954
as 'Irish' Sean Dillon
1954
as James MacLennan
1954
as Dr. Fitzroy
1954
as Lorenzo
1954
as Enrico Marisoni
1954
as Rama Khan
1954
as Peter
1953
as Brig. Gen. J. R. Maitland
1953
as Peter
1953
as Dr. Paul Manning
1953
as Lt. Richard Saville
1953
as Narrator (voice) (uncredited)
1953
as End Narrator (Voice)
1952
as Jean Valjean
1952
as Colin Travers
1952
as Dr. Robert Fortness
1951
as Roger Forsyth
1951
as Narrator (voice) (uncredited)
1951
1951
as Klaatu, alias Mr. Carpenter
1951
as Dr. Pearson
1950
as Major George Templeton (segment Sanatorium)
1950
as King Edward
1950
1949
as Bob Thane
1949
as Mike Christie
1948
as Slim Callaghan
1948
as Hertz
1947
as Rudolph
1947
as Charles Mortimer
1945
as 1st Centurion
1945
as Kit Locksby
1945
1943
as George
1942
as George
1941
as Anthony Hale
1941
as Lieut. Maxwell
1941
as Diner
1941
as Prison Camp Officer
1941
as Inspector
1941
as Kapulski
1939
as Gang Member (uncredited)
1938
as Guardsman (uncredited)
1938
as Minor Role (uncredited)
1937
as Medical Examiner
1937
as Chemist-Radio Operator (uncredited)
1937
as Ship's Officer
1936
1936
as Marquis d'Arlandes (uncredited)
1936
as San Francisco Cop
1936
as Army Captain (uncredited)