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.
Klaatu, alias Mr. Carpenter
The Day the Earth Stood Still
Dr. Odo Warnoff
Los monstruos del terror
Lord John Roxton
The Lost World
Gang Member (uncredited)
This Man in Paris
Narrator (voice) (uncredited)
The Desert Fox: The Story of Rommel
Inspector
The Patient Vanishes
(archive footage)
The Horror Show
Kit Locksby
The Wicked Lady
Dr. Paul Manning
Dangerous Crossing
Peter
The Robe
Peter
Demetrius and the Gladiators
Bernadotte
Désirée
Hilary Carson
Island in the Sun
Garth A7
Cyborg 2087
Lt. Richard Saville
Sailor of the King
Inspector Merryweather, Hong Kong Marine Police
Soldier of Fortune
Arthur Nordlund
The Power
Captain John Winter
Third Man on the Mountain
Brig. Gen. J. R. Maitland
King of the Khyber Rifles
Lord Albert Esketh
The Rains of Ranchipur
Dr. Pearson
The 13th Letter
Roger Forsyth
The House in the Square
Dr. Robert Fortness
Phone Call from a Stranger
Jay Fallon
Teenage Rebel
Colin Travers
5 Fingers
The Keeper (archive footage)
Lost In Space Forever
Brooks Durham
Ride Beyond Vengeance
Bernard Law Montgomery
La battaglia di El Alamein
Tribolet
Hondo and the Apaches
Dirk Winston
Mary, Mary
Jean Valjean
Les Miserables
Father Junipero Serra
Seven Cities of Gold
Anthony Hale
Tower of Terror
Self
Perilous Assignment
Rama Khan
Princess of the Nile
Klaatu (archive footage) (uncredited)
Theremin: An Electronic Odyssey
Hasani Sabah
Omar Khayyam
Charles Mortimer
The Root of All Evil
Major Worthington Clark
Bersaglio mobile
Rudolph
White Cradle Inn
Harvey Ward
Stoney
Goldsmith
Subterfuge
George McConnell
Scacco Internazionale
Blynn
Giugno '44 - Sbarcheremo in Normandia
Chemist-Radio Operator (uncredited)
The Gap
George
The Sky’s the Limit
Narrator (voice) (uncredited)
The Desert Rats
Geoffrey - Duke of Lanbourne
Hotel
Ship's Officer
Gangway
Army Captain (uncredited)
Secret Agent
Enrico Marisoni
Mambo
Medical Examiner
The Squeaker
Major George Templeton (segment Sanatorium)
Trio
I'll Be Your Sweetheart
Bob Thane
Miss Pilgrim's Progress
The Body Said No!
Mike Christie
The Golden Madonna
Slim Callaghan
Uneasy Terms
Lieut. Maxwell
Ships with Wings
King Edward
The Black Rose
George
The Big Blockade
Stefan
Battle of the V-1
Dr. Henry Jekyll / Mr. Hyde
Dr. Jekyll and Mr. Hyde
Lt. Gen. Mark Clark
The Devil's Brigade
Diner
Turned Out Nice Again
Prison Camp Officer
'Pimpernel' Smith
Kapulski
Dangerous Moonlight
Minor Role (uncredited)
The Divorce of Lady X
End Narrator (Voice)
Titanic
1st Centurion
Caesar and Cleopatra
Marquis d'Arlandes (uncredited)
The Conquest of the Air
Hertz
Idol of Paris
Inspector Durand
Nude... si muore
San Francisco Cop
The Man Who Could Work Miracles
Guardsman (uncredited)
Bank Holiday
Gypsy
Known For
Acting
Known Credits
76
Gender
Male
Birthday
1909-08-25
Place of Birth
Bradford, Yorkshire, England
Also Known As
Eric Alexander Rennie