
Michael Rennie
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.
Known For










Credits
-
The Keeper (archive footage)★ 6.8
-
Klaatu (archive footage) (uncredited)★ 5.4
-
The Horror Show 1979(archive footage)★ 6
-
Assignment Terror 1970Dr. Odo Warnoff★ 5
-
Bernard Law Montgomery★ 5.3
-
Stoney 1969Harvey Ward★ 3.6
-
Subterfuge 1968Goldsmith★ 4.7
-
The Last Chance 1968George McConnell★ NR
-
Seven Into Hell 1968Blynn★ 4
-
The Devil's Brigade 1968Lt. Gen. Mark Clark★ 6.3
-
The Power 1968Arthur Nordlund★ 6.2
-
Naked You Die 1968Inspector Durand★ 5.8
-
Death on the Run 1967Major Worthington Clark★ 6.2
-
Paul Heaton★ 5
-
Tribolet★ 6.8
-
Hondo 1967★ 6.5
-
Hotel 1967Geoffrey - Duke of Lanbourne★ 6.1
-
The Invaders 1967Magnus★ 6.8
-
Cyborg 2087 1966Garth A7★ 5.8
-
Jericho 1966★ 6.5
-
ABC Stage 67 1966★ 6.2
-
The Time Tunnel 1966Capt. Malcolm Smith★ 7.6
-
Batman 1966Sandman★ 7.3
-
Brooks Durham★ 5.9
-
The F.B.I. 1965Conrad Letterman★ 5.5
-
Lost in Space 1965The Keeper★ 7.1
-
Branded 1965★ 6.4
-
Daniel Boone 1964Maj. Peter Wellington★ 6.9
-
Barnaby Partridge★ 7.2
-
12 O'Clock High 1964Gen. St. John Keighley★ 7.3
-
Mary, Mary 1963Dirk Winston★ 5.2
-
Robert Thurston★ 5.3
-
The Great Adventure 1963President Jefferson Davis★ NR
-
Ralph Manson★ 7.8
-
The Virginian 1962Michael O'Rourke★ 6.5
-
Route 66 1960★ 6.3
-
Julius★ 6.2
-
The Lost World 1960Lord John Roxton★ 5.7
-
Captain John Winter★ 6.7
-
Perilous Assignment 1959Self★ 10
-
The Third Man 1959★ 6.7
-
Bonanza 1959Prof. Poppy / Dr. P.A. Mundy★ 7.5
-
Captain Creighton★ 6.2
-
Battle of the V-1 1958Stefan★ 4.5
-
Suspicion 1957Angus Martin★ 5.9
-
★ 6.8
-
Perry Mason 1957Prof. Edward Lindley★ 7.7
-
Omar Khayyam 1957Hasani Sabah★ 5
-
Island in the Sun 1957Hilary Carson★ 6.7
-
Teenage Rebel 1956Jay Fallon★ 6.5
-
Matthew Birch★ 5.5
-
Lord Albert Esketh★ 4.9
-
Seven Cities of Gold 1955Father Junipero Serra★ 5.5
-
Narrator★ 5.4
-
Allen Bliss★ 7.7
-
Dr. Henry Jekyll / Mr. Hyde★ 6
-
Soldier of Fortune 1955Inspector Merryweather, Hong Kong Marine Police★ 5.9
-
Désirée 1954Bernadotte★ 6.4
-
Self★ 7.8
-
Climax! 1954Lord Edward Dominey / Major General Von Raggenstein★ 3.3
-
Mambo 1954Enrico Marisoni★ 5.5
-
Princess of the Nile 1954Rama Khan★ 7.1
-
Peter★ 6.5
-
Brig. Gen. J. R. Maitland★ 5.7
-
The Robe 1953Peter★ 6.8
-
Dangerous Crossing 1953Dr. Paul Manning★ 6.1
-
Sailor of the King 1953Lt. Richard Saville★ 7
-
The Desert Rats 1953Narrator (voice) (uncredited)★ 6.3
-
Titanic 1953End Narrator (Voice)★ 6.6
-
Les Miserables 1952Jean Valjean★ 5.4
-
5 Fingers 1952Colin Travers★ 7.6
-
Dr. Robert Fortness★ 6.4
-
Roger Forsyth★ 6.7
-
Narrator (voice) (uncredited)★ 6.7
-
★ 7.3
-
Klaatu, alias Mr. Carpenter★ 7.4
-
The 13th Letter 1951Dr. Pearson★ 5.5
-
Trio 1950Major George Templeton (segment Sanatorium)★ 6.3
-
The Black Rose 1950King Edward★ 6.5
-
The Body Said No! 1950★ NR
-
Bob Thane★ 6
-
The Golden Madonna 1949Mike Christie★ 5.7
-
Uneasy Terms 1948Slim Callaghan★ 4.2
-
Idol of Paris 1948Hertz★ 7
-
White Cradle Inn 1947Rudolph★ 6.2
-
The Root of All Evil 1947Charles Mortimer★ 6.8
-
Caesar and Cleopatra 19451st Centurion★ 6.1
-
The Wicked Lady 1945Kit Locksby★ 6.4
-
★ 5
-
The Sky’s the Limit 1943George★ NR
-
The Big Blockade 1942George★ 6.5
-
Tower of Terror 1941Anthony Hale★ 5.5
-
Ships with Wings 1941Lieut. Maxwell★ 4
-
Diner★ 6.5
-
'Pimpernel' Smith 1941Prison Camp Officer★ 7.1
-
The Patient Vanishes 1941Inspector★ NR
-
Dangerous Moonlight 1941Kapulski★ 6.4
-
This Man in Paris 1939Gang Member (uncredited)★ NR
-
Bank Holiday 1938Guardsman (uncredited)★ 6
-
Minor Role (uncredited)★ 6
-
The Squeaker 1937Medical Examiner★ 5.2
-
The Gap 1937Chemist-Radio Operator (uncredited)★ NR
-
Gangway 1937Ship's Officer★ 7
-
Gypsy 1936★ NR
-
Marquis d'Arlandes (uncredited)★ 4.2
-
San Francisco Cop★ 5.7
-
Secret Agent 1936Army Captain (uncredited)★ 6.1