
Person
Michael Rennie
Acting · 1909–1971 · Bradford, West Yorkshire, England, UK
Biography
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

Perry Mason
Prof. Edward Lindley

Bonanza
Prof. Poppy / Dr. P.A. Mundy

Batman
Sandman

The Alfred Hitchcock Hour
Ralph Manson

Daniel Boone
Maj. Peter Wellington

Climax!
Lord Edward Dominey / Major General Von Raggenstein

The Virginian
Michael O'Rourke

Dick Powell's Zane Grey Theatre
Matthew Birch

12 O'Clock High
Gen. St. John Keighley

The Invaders
Magnus
Filmography
- 1998Lost In Space ForeverThe Keeper (archive footage)
- 1995Theremin: An Electronic OdysseyKlaatu (archive footage) (uncredited)
- 1979The Horror Show(archive footage)
- 1970Assignment TerrorDr. Odo Warnoff
- 1969The Battle of El AlameinBernard Law Montgomery
- 1969StoneyHarvey Ward
- 1968SubterfugeGoldsmith
- 1968The Last ChanceGeorge McConnell
- 1968Seven Into HellBlynn
- 1968The Devil's BrigadeLt. Gen. Mark Clark
- 1968The PowerArthur Nordlund
- 1968Naked You DieInspector Durand
- 1967Death on the RunMajor Worthington Clark
- 1967The Danny Thomas HourPaul Heaton
- 1967Hondo and the ApachesTribolet
- 1967Hondo
- 1967HotelGeoffrey - Duke of Lanbourne
- 1967The InvadersMagnus
- 1966Cyborg 2087Garth A7
- 1966Jericho
- 1966ABC Stage 67
- 1966The Time TunnelCapt. Malcolm Smith
- 1966BatmanSandman
- 1966Ride Beyond VengeanceBrooks Durham
- 1965The F.B.I.Conrad Letterman
- 1965Lost in SpaceThe Keeper
- 1965Branded
- 1964Daniel BooneMaj. Peter Wellington
- 1964The Man from U.N.C.L.E.Barnaby Partridge
- 196412 O'Clock HighGen. St. John Keighley
- 1963Mary, MaryDirk Winston
- 1963Kraft Suspense TheatreRobert Thurston
- 1963Bob Hope Presents the Chrysler TheatreEdward Parker Greene
- 1963The Great AdventurePresident Jefferson Davis
- 1962The Alfred Hitchcock HourRalph Manson
- 1962The VirginianMichael O'Rourke
- 1961The Dick Powell ShowInspector Marshall
- 1960Route 66
- 1960The Barbara Stanwyck ShowJulius
- 1960The Lost WorldLord John Roxton
- 1959Third Man on the MountainCaptain John Winter
- 1959Perilous AssignmentSelf
- 1959The Third Man
- 1959BonanzaProf. Poppy / Dr. P.A. Mundy
- 1958Shirley Temple's StorybookCaptain Creighton
- 1958Battle of the V-1Stefan
- 1957SuspicionAngus Martin
- 1957DuPont Show of the Month
- 1957Perry MasonProf. Edward Lindley
- 1957Omar KhayyamHasani Sabah
- 1957Island in the SunHilary Carson
- 1957Circle of the DayEric Millet
- 1956Teenage RebelJay Fallon
- 1956The LetterHoward Joyce
- 1956Dick Powell's Zane Grey TheatreMatthew Birch
- 1955The Rains of RanchipurLord Albert Esketh
- 1955Seven Cities of GoldFather Junipero Serra
- 1955The 20th Century Fox HourNarrator
- 1955Alfred Hitchcock PresentsAllen Bliss
- 1955Dr. Jekyll and Mr. HydeDr. Henry Jekyll / Mr. Hyde
- 1955Soldier of FortuneInspector Merryweather, Hong Kong Marine Police
- 1954DésiréeBernadotte
- 1954The Wonderful World of DisneySelf
- 1954Producers' ShowcaseHoward Joyce
- 1954Climax!Lord Edward Dominey / Major General Von Raggenstein
- 1954MamboEnrico Marisoni
- 1954Princess of the NileRama Khan
- 1954Demetrius and the GladiatorsPeter
- 1953King of the Khyber RiflesBrig. Gen. J. R. Maitland
- 1953The RobePeter
- 1953Dangerous CrossingDr. Paul Manning
- 1953Sailor of the KingLt. Richard Saville
- 1953TitanicEnd Narrator (Voice)
- 1953The Desert RatsNarrator (voice) (uncredited)
- 1952Les MiserablesJean Valjean
- 19525 FingersColin Travers
- 1952Phone Call from a StrangerDr. Robert Fortness
- 1951The House in the SquareRoger Forsyth
- 1951The Desert Fox: The Story of RommelNarrator (voice) (uncredited)
- 1951Schlitz Playhouse of Stars
- 1951The Day the Earth Stood StillKlaatu / Mr. Carpenter
- 1951The 13th LetterDr. Pearson
- 1950TrioMajor George Templeton (segment Sanatorium)
- 1950The Black RoseKing Edward
- 1950The Body Said No!The Body
- 1949Miss Pilgrim's ProgressBob Thane
- 1949The Golden MadonnaMike Christie
- 1948Uneasy TermsSlim Callaghan
- 1948Idol of ParisHertz
- 1947White Cradle InnRudolph
- 1947The Root of All EvilCharles Mortimer
- 1945Caesar and Cleopatra1st Centurion
- 1945The Wicked LadyKit Locksby
- 1945I'll Be Your Sweetheart
- 1943The Sky’s the LimitGeorge
- 1942The Big BlockadeGeorge
- 1941Tower of TerrorAnthony Hale
- 1941Ships with WingsLieut. Maxwell
- 1941Turned Out Nice AgainDiner
- 1941"Pimpernel" SmithPrison Camp Officer
- 1941The Patient VanishesInspector
- 1941Dangerous MoonlightKapulski
- 1939This Man in ParisGang Member (uncredited)
- 1938Bank HolidayGuardsman (uncredited)
- 1938The Divorce of Lady XMinor Role (uncredited)
- 1937The SqueakerMedical Examiner
- 1937The GapChemist-Radio Operator (uncredited)
- 1937GangwayShip's Officer
- 1936Gypsy
- 1936The Man Who Could Work MiraclesSan Francisco Cop
- 1936Secret AgentArmy Captain (uncredited)
- 1931The Conquest of the AirMarquis d'Arlandes (uncredited)
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