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.
1998Lost In Space Forever as The Keeper (archive footage)
1995Theremin: An Electronic Odyssey as Klaatu (archive footage) (uncredited)
1979The Horror Show as (archive footage)
1970Assignment Terror as Dr. Odo Warnoff
1969The Battle of El Alamein as Bernard Law Montgomery
1969Stoney as Harvey Ward
1968Subterfuge as Goldsmith
1968The Last Chance as George McConnell
1968Seven Into Hell as Blynn
1968The Devil's Brigade as Lt. Gen. Mark Clark
1968The Power as Arthur Nordlund
1968Naked You Die as Inspector Durand
1967Death on the Run as Major Worthington Clark
1967The Danny Thomas Hour (1 Episode) as Paul Heaton
1967Hondo and the Apaches as Tribolet
1967Hondo (2 Episodes) as Unknown
1967Hotel as Geoffrey - Duke of Lanbourne
1967The Invaders (1, 2 Episode) as Magnus, Vice Chancellor Pierre Alquist
1966Cyborg 2087 as Garth A7
1966Jericho (1 Episode) as Unknown
1966ABC Stage 67 (1 Episode) as Unknown
1966The Time Tunnel (1 Episode) as Capt. Malcolm Smith
1966Batman (2 Episodes) as Sandman
1966Ride Beyond Vengeance as Brooks Durham
1965The F.B.I. (1, 1, 1 Episode) as Conrad Letterman, Albert Robinson / Major John Anka, Eric Reverson
1965Lost in Space (2 Episodes) as The Keeper
1965Branded (1 Episode) as Unknown
1964Daniel Boone (1, 1 Episode) as Maj. Peter Wellington, Edgar Newton
1964The Man from U.N.C.L.E. (1 Episode) as Barnaby Partridge
196412 O'Clock High (1 Episode) as Gen. St. John Keighley
1963Mary, Mary as Dirk Winston
1963Kraft Suspense Theatre (1 Episode) as Robert Thurston
1963Bob Hope Presents the Chrysler Theatre (1, 1 Episode) as Edward Parker Greene, Inspector Kauslake
1963The Great Adventure (1 Episode) as President Jefferson Davis
1962The Alfred Hitchcock Hour (1 Episode) as Ralph Manson
1962The Virginian (1 Episode) as Michael O'Rourke
1961The Dick Powell Show (1, 1 Episode) as Inspector Marshall, General Conrad Munday
1960Route 66 (2 Episodes) as Unknown
1960The Barbara Stanwyck Show (1 Episode) as Julius
1960The Lost World as Lord John Roxton
1959Third Man on the Mountain as Captain John Winter
1959Perilous Assignment as Self
1959The Third Man (77 Episodes) as Unknown
1959Bonanza (1 Episode) as Prof. Poppy / Dr. P.A. Mundy
1958Shirley Temple's Storybook (1 Episode) as Captain Creighton
1958Battle of the V-1 as Stefan
1957Suspicion (1 Episode) as Angus Martin
1957DuPont Show of the Month (1 Episode) as Unknown
1957Perry Mason (1 Episode) as Prof. Edward Lindley
1957Omar Khayyam as Hasani Sabah
1957Island in the Sun as Hilary Carson
1957Circle of the Day as Eric Millet
1956Teenage Rebel as Jay Fallon
1956Dick Powell's Zane Grey Theatre (1, 1, 1 Episode) as Matthew Birch, Grant Coburn, Marshal Locke Gardner
1955The Rains of Ranchipur as Lord Albert Esketh
1955Seven Cities of Gold as Father Junipero Serra
1955The 20th Century Fox Hour (1 Episode) as Narrator
1955Alfred Hitchcock Presents (1, 1 Episode) as Allen Bliss, Sir Humphrey J. Orford
1955Dr. Jekyll and Mr. Hyde as Dr. Henry Jekyll / Mr. Hyde
1955Soldier of Fortune as Inspector Merryweather, Hong Kong Marine Police
1954Désirée as Bernadotte
1954The Wonderful World of Disney (1 Episode) as Self
1954Climax! (1, 1, 1, 1, 1, 1, 1 Episode) as Lord Edward Dominey / Major General Von Raggenstein, Dr. Henry Jekyll / Mr. Hyde, Charles Martin Westling, 'Irish' Sean Dillon, James MacLennan, Dr. Fitzroy, Lorenzo
1954Mambo as Enrico Marisoni
1954Princess of the Nile as Rama Khan
1954Demetrius and the Gladiators as Peter
1953King of the Khyber Rifles as Brig. Gen. J. R. Maitland
1953The Robe as Peter
1953Dangerous Crossing as Dr. Paul Manning
1953Sailor of the King as Lt. Richard Saville
1953The Desert Rats as Narrator (voice) (uncredited)
1953Titanic as End Narrator (Voice)
1952Les Miserables as Jean Valjean
19525 Fingers as Colin Travers
1952Phone Call from a Stranger as Dr. Robert Fortness
1951The House in the Square as Roger Forsyth
1951The Desert Fox: The Story of Rommel as Narrator (voice) (uncredited)
1951Schlitz Playhouse of Stars (1 Episode) as Unknown
1951The Day the Earth Stood Still as Klaatu, alias Mr. Carpenter
1951The 13th Letter as Dr. Pearson
1950Trio as Major George Templeton (segment Sanatorium)
1950The Black Rose as King Edward
1950The Body Said No! as Unknown
1949Miss Pilgrim's Progress as Bob Thane
1949The Golden Madonna as Mike Christie
1948Uneasy Terms as Slim Callaghan
1948Idol of Paris as Hertz
1947White Cradle Inn as Rudolph
1947The Root of All Evil as Charles Mortimer
1945Caesar and Cleopatra as 1st Centurion
1945The Wicked Lady as Kit Locksby
1945I'll Be Your Sweetheart as Unknown
1943The Sky’s the Limit as George
1942The Big Blockade as George
1941Tower of Terror as Anthony Hale
1941Ships with Wings as Lieut. Maxwell
1941Turned Out Nice Again as Diner
1941'Pimpernel' Smith as Prison Camp Officer
1941The Patient Vanishes as Inspector
1941Dangerous Moonlight as Kapulski
1939This Man in Paris as Gang Member (uncredited)
1938Bank Holiday as Guardsman (uncredited)
1938The Divorce of Lady X as Minor Role (uncredited)
1937The Squeaker as Medical Examiner
1937The Gap as Chemist-Radio Operator (uncredited)
1937Gangway as Ship's Officer
1936Gypsy as Unknown
1936The Man Who Could Work Miracles as San Francisco Cop
1936Secret Agent as Army Captain (uncredited)
1931The Conquest of the Air as Marquis d'Arlandes (uncredited)