Michael Rennie
Born
August 25, 1909
Died
June 10, 1971 (61 years old)
Known For
Acting
Place of Birth
Bradford, Yorkshire, England
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.

Lost In Space Forever
The Keeper (archive footage)
1998

Theremin: An Electronic Odyssey
Klaatu (archive footage) (uncredited)
1995

The Horror Show
(archive footage)
1979

Assignment Terror
Dr. Odo Warnoff
1970

The Battle of El Alamein
Bernard Law Montgomery
1969

Stoney
Harvey Ward
1969

Subterfuge
Goldsmith
1968

The Last Chance
George McConnell
1968

Seven Into Hell
Blynn
1968

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

The Power
Arthur Nordlund
1968

Naked You Die
Inspector Durand
1968

Death on the Run
Major Worthington Clark
1967

The Danny Thomas Hour
Paul Heaton · (1 episode)
1967

Hondo and the Apaches
Tribolet
1967

Hondo
(2 episodes)
1967

Hotel
Geoffrey - Duke of Lanbourne
1967

The Invaders
Magnus · (1 episode)
1967

The Invaders
Vice Chancellor Pierre Alquist · (2 episodes)
1967

Cyborg 2087
Garth A7
1966

Jericho
(1 episode)
1966

ABC Stage 67
(1 episode)
1966

The Time Tunnel
Capt. Malcolm Smith · (1 episode)
1966

Batman
Sandman · (2 episodes)
1966

Ride Beyond Vengeance
Brooks Durham
1966

The F.B.I.
Conrad Letterman · (1 episode)
1965

The F.B.I.
Albert Robinson / Major John Anka · (1 episode)
1965

The F.B.I.
Eric Reverson · (1 episode)
1965

Lost in Space
The Keeper · (2 episodes)
1965

Branded
(1 episode)
1965

Daniel Boone
Maj. Peter Wellington · (1 episode)
1964

Daniel Boone
Edgar Newton · (1 episode)
1964

The Man from U.N.C.L.E.
Barnaby Partridge · (1 episode)
1964

12 O'Clock High
Gen. St. John Keighley · (1 episode)
1964

Mary, Mary
Dirk Winston
1963

Kraft Suspense Theatre
Robert Thurston · (1 episode)
1963
Bob Hope Presents the Chrysler Theatre
Edward Parker Greene · (1 episode)
1963
Bob Hope Presents the Chrysler Theatre
Inspector Kauslake · (1 episode)
1963

The Great Adventure
President Jefferson Davis · (1 episode)
1963

The Alfred Hitchcock Hour
Ralph Manson · (1 episode)
1962

The Virginian
Michael O'Rourke · (1 episode)
1962

The Dick Powell Show
Inspector Marshall · (1 episode)
1961

The Dick Powell Show
General Conrad Munday · (1 episode)
1961

Route 66
(2 episodes)
1960

The Barbara Stanwyck Show
Julius · (1 episode)
1960

The Lost World
Lord John Roxton
1960

Third Man on the Mountain
Captain John Winter
1959

Perilous Assignment
Self
1959

The Third Man
(77 episodes)
1959

Bonanza
Prof. Poppy / Dr. P.A. Mundy · (1 episode)
1959

Shirley Temple's Storybook
Captain Creighton · (1 episode)
1958

Battle of the V-1
Stefan
1958

Suspicion
Angus Martin · (1 episode)
1957

DuPont Show of the Month
(1 episode)
1957

Perry Mason
Prof. Edward Lindley · (1 episode)
1957

Omar Khayyam
Hasani Sabah
1957

Island in the Sun
Hilary Carson
1957

Teenage Rebel
Jay Fallon
1956

Dick Powell's Zane Grey Theatre
Matthew Birch · (1 episode)
1956

Dick Powell's Zane Grey Theatre
Grant Coburn · (1 episode)
1956

Dick Powell's Zane Grey Theatre
Marshal Locke Gardner · (1 episode)
1956

The Rains of Ranchipur
Lord Albert Esketh
1955

Seven Cities of Gold
Father Junipero Serra
1955

The 20th Century Fox Hour
Narrator · (1 episode)
1955

Alfred Hitchcock Presents
Allen Bliss · (1 episode)
1955

Alfred Hitchcock Presents
Sir Humphrey J. Orford · (1 episode)
1955

Dr. Jekyll and Mr. Hyde
Dr. Henry Jekyll / Mr. Hyde
1955

Soldier of Fortune
Inspector Merryweather, Hong Kong Marine Police
1955

Désirée
Bernadotte
1954

The Wonderful World of Disney
Self · (1 episode)
1954

Climax!
Lord Edward Dominey / Major General Von Raggenstein · (1 episode)
1954

Climax!
Dr. Henry Jekyll / Mr. Hyde · (1 episode)
1954

Climax!
Charles Martin Westling · (1 episode)
1954

Climax!
'Irish' Sean Dillon · (1 episode)
1954

Climax!
James MacLennan · (1 episode)
1954

Climax!
Dr. Fitzroy · (1 episode)
1954

Climax!
Lorenzo · (1 episode)
1954

Mambo
Enrico Marisoni
1954

Princess of the Nile
Rama Khan
1954

Demetrius and the Gladiators
Peter
1954

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

The Robe
Peter
1953

Dangerous Crossing
Dr. Paul Manning
1953

Sailor of the King
Lt. Richard Saville
1953

The Desert Rats
Narrator (voice) (uncredited)
1953

Titanic
End Narrator (Voice)
1953

Les Miserables
Jean Valjean
1952

5 Fingers
Colin Travers
1952

Phone Call from a Stranger
Dr. Robert Fortness
1952

The House in the Square
Roger Forsyth
1951

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

Schlitz Playhouse of Stars
(1 episode)
1951

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

The 13th Letter
Dr. Pearson
1951

Trio
Major George Templeton (segment Sanatorium)
1950

The Black Rose
King Edward
1950
The Body Said No!
1950

Miss Pilgrim's Progress
Bob Thane
1949

The Golden Madonna
Mike Christie
1949

Uneasy Terms
Slim Callaghan
1948

Idol of Paris
Hertz
1948

White Cradle Inn
Rudolph
1947

The Root of All Evil
Charles Mortimer
1947

Caesar and Cleopatra
1st Centurion
1945

The Wicked Lady
Kit Locksby
1945

I'll Be Your Sweetheart
1945
The Sky’s the Limit
George
1943

The Big Blockade
George
1942

Tower of Terror
Anthony Hale
1941

Ships with Wings
Lieut. Maxwell
1941

Turned Out Nice Again
Diner
1941

'Pimpernel' Smith
Prison Camp Officer
1941

The Patient Vanishes
Inspector
1941

Dangerous Moonlight
Kapulski
1941

This Man in Paris
Gang Member (uncredited)
1939

Bank Holiday
Guardsman (uncredited)
1938

The Divorce of Lady X
Minor Role (uncredited)
1938

The Squeaker
Medical Examiner
1937

The Gap
Chemist-Radio Operator (uncredited)
1937

Gangway
Ship's Officer
1937
Gypsy
1936

The Conquest of the Air
Marquis d'Arlandes (uncredited)
1936

The Man Who Could Work Miracles
San Francisco Cop
1936

Secret Agent
Army Captain (uncredited)
1936