
Michael Rennie
Known for Acting · 111 credits
- Born
- 1909-08-25
- Died
- 1971-06-10
- Place of birth
- Bradford, West Yorkshire, England, UK
- Also known as
- Eric Alexander Rennie
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.
Known For

Perry Mason
1957
as Prof. Edward Lindley

Bonanza
1959
as Prof. Poppy / Dr. P.A. Mundy

Batman
1966
as Sandman

Climax!
1954
as Lord Edward Dominey / Major General Von Raggenstein / Dr. Henry Jekyll / Mr. Hyde / Charles Martin Westling / 'Irish' Sean Dillon / James MacLennan / Dr. Fitzroy / Lorenzo

The Alfred Hitchcock Hour
1962
as Ralph Manson

The Virginian
1962
as Michael O'Rourke
TV Shows (34)

Perry Mason
1957
as Prof. Edward Lindley

Bonanza
1959
as Prof. Poppy / Dr. P.A. Mundy

Batman
1966
as Sandman

Climax!
1954
as Lord Edward Dominey / Major General Von Raggenstein / Dr. Henry Jekyll / Mr. Hyde / Charles Martin Westling / 'Irish' Sean Dillon / James MacLennan / Dr. Fitzroy / Lorenzo

The Alfred Hitchcock Hour
1962
as Ralph Manson

The Virginian
1962
as Michael O'Rourke
Bob Hope Presents the Chrysler Theatre
1963
as Edward Parker Greene / Inspector Kauslake

Dick Powell's Zane Grey Theatre
1956
as Matthew Birch / Grant Coburn / Marshal Locke Gardner

Daniel Boone
1964
as Maj. Peter Wellington / Edgar Newton

The Invaders
1967
as Magnus / Vice Chancellor Pierre Alquist

The F.B.I.
1965
as Conrad Letterman / Albert Robinson / Major John Anka / Eric Reverson

Lost in Space
1965
as The Keeper

Route 66
1960

Alfred Hitchcock Presents
1955
as Allen Bliss / Sir Humphrey J. Orford

Kraft Suspense Theatre
1963
as Robert Thurston

The Man from U.N.C.L.E.
1964
as Barnaby Partridge

12 O'Clock High
1964
as Gen. St. John Keighley

The Time Tunnel
1966
as Capt. Malcolm Smith

The 20th Century Fox Hour
1955
as Narrator

Shirley Temple's Storybook
1958
as Captain Creighton

Branded
1965

The Barbara Stanwyck Show
1960
as Julius
Producers' Showcase
1954
as Howard Joyce

The Third Man
1959

The Great Adventure
1963
as President Jefferson Davis

Suspicion
1957
as Angus Martin

ABC Stage 67
1966

The Wonderful World of Disney
1954
as Self

The Dick Powell Show
1961
as Inspector Marshall / General Conrad Munday

DuPont Show of the Month
1957

Hondo
1967

The Danny Thomas Hour
1967
as Paul Heaton

Jericho
1966

Schlitz Playhouse of Stars
1951
Movies (77)

The Robe
1953
as Peter

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

Titanic
1953
as End Narrator (Voice)

Cyborg 2087
1966
as Garth A7

Les Miserables
1952
as Jean Valjean

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

Demetrius and the Gladiators
1954
as Peter

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

The Power
1968
as Arthur Nordlund

The Lost World
1960
as Lord John Roxton

Trio
1950
as Major George Templeton (segment Sanatorium)

Désirée
1954
as Bernadotte

Soldier of Fortune
1955
as Inspector Merryweather, Hong Kong Marine Police

5 Fingers
1952
as Colin Travers

"Pimpernel" Smith
1941
as Prison Camp Officer

Dangerous Crossing
1953
as Dr. Paul Manning

Hotel
1967
as Geoffrey - Duke of Lanbourne

Secret Agent
1936
as Army Captain (uncredited)

Caesar and Cleopatra
1945
as 1st Centurion

The Desert Rats
1953
as Narrator (voice) (uncredited)

The Horror Show
1979
as (archive footage)

The Black Rose
1950
as King Edward
Gypsy
1936

Teenage Rebel
1956
as Jay Fallon

Ride Beyond Vengeance
1966
as Brooks Durham

Omar Khayyam
1957
as Hasani Sabah

Bank Holiday
1938
as Guardsman (uncredited)

Dangerous Moonlight
1941
as Kapulski

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

Princess of the Nile
1954
as Rama Khan

Third Man on the Mountain
1959
as Captain John Winter

Battle of the V-1
1958
as Stefan

The Squeaker
1937
as Medical Examiner

Naked You Die
1968
as Inspector Durand

Phone Call from a Stranger
1952
as Dr. Robert Fortness

Assignment Terror
1970
as Dr. Odo Warnoff

The Wicked Lady
1945
as Kit Locksby

Lost In Space Forever
1998
as The Keeper (archive footage)

Mambo
1954
as Enrico Marisoni

Island in the Sun
1957
as Hilary Carson

The Divorce of Lady X
1938
as Minor Role (uncredited)

Subterfuge
1968
as Goldsmith

The Man Who Could Work Miracles
1936
as San Francisco Cop

The Rains of Ranchipur
1955
as Lord Albert Esketh

Hondo and the Apaches
1967
as Tribolet

The Battle of El Alamein
1969
as Bernard Law Montgomery

Seven Cities of Gold
1955
as Father Junipero Serra

Stoney
1969
as Harvey Ward

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

The House in the Square
1951
as Roger Forsyth

Mary, Mary
1963
as Dirk Winston

Tower of Terror
1941
as Anthony Hale

Turned Out Nice Again
1941
as Diner

The Body Said No!
1950
as The Body

The Big Blockade
1942
as George

The Conquest of the Air
1931
as Marquis d'Arlandes (uncredited)

Miss Pilgrim's Progress
1949
as Bob Thane

Idol of Paris
1948
as Hertz

Seven Into Hell
1968
as Blynn

The 13th Letter
1951
as Dr. Pearson

The Patient Vanishes
1941
as Inspector

The Last Chance
1968
as George McConnell

The Root of All Evil
1947
as Charles Mortimer

Ships with Wings
1941
as Lieut. Maxwell

Sailor of the King
1953
as Lt. Richard Saville

This Man in Paris
1939
as Gang Member (uncredited)

Perilous Assignment
1959
as Self

The Golden Madonna
1949
as Mike Christie

Gangway
1937
as Ship's Officer

Death on the Run
1967
as Major Worthington Clark

The Gap
1937
as Chemist-Radio Operator (uncredited)

Dr. Jekyll and Mr. Hyde
1955
as Dr. Henry Jekyll / Mr. Hyde
The Sky’s the Limit
1943
as George

Uneasy Terms
1948
as Slim Callaghan

White Cradle Inn
1947
as Rudolph

I'll Be Your Sweetheart
1945

Circle of the Day
1957
as Eric Millet
About 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 Britis… With 111 credits spanning from 1931 to 1998, Michael Rennie has appeared in 77 films and 34 TV shows.
Fans searching for Michael Rennie movies, Michael Rennie filmography, or the latest projects starring Michael Rennie can stream many of these titles on CineFlixo, free and in HD, with no subscription required.
Most Popular Michael Rennie Movies
- The Robe (1953) — as Peter
- The Day the Earth Stood Still (1951) — as Klaatu, alias Mr. Carpenter
- Titanic (1953) — as End Narrator (Voice)
- Cyborg 2087 (1966) — as Garth A7
- Les Miserables (1952) — as Jean Valjean
Where to Watch Michael Rennie Films
Most Michael Rennie movies and series are available to stream on CineFlixo in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Michael Rennie, check our movies catalogue and browse page.