About Lock Martin
Lived 1916 – 1959 (aged 42). Lock Martin was an American actor and film actor.
Joseph Lockard "Lock" Martin Jr. (October 12, 1916 – January 19, 1959) was an American performer afflicted with gigantism. Martin and a twin brother were born in South Philadelphia, Pennsylvania; his brother died in childbirth.
Martin grew to over seven feet tall, though his exact height was reported inconsistently. He became notable for appearing as the robot Gort in The Day the Earth Stood Still (1951). Despite his size, he had difficulty moving in the heavy robot suit, and during scenes in which he was supposed to lift and carry either Patricia Neal or Michael Rennie, they were either held up by wires, or replaced with lightweight dummies. He also worked as a doorman at Grauman's Chinese Theatre in Los Angeles. He can also be heard as a contestant on the November 14, 1951 edition of You Bet Your Life.
Towards the end of his career, he was filmed for a part in The Incredible Shrinking Man as a circus giant, but his scenes were deleted.
Filmography Lost in a Harem (1944) – Bobo (as J. Lockard Martin) Anchors Aweigh (1945) – Giant Lady on a Train (1945) – Circus Club Doorman The Day the Earth Stood Still (1951) – Gort Four Star Revue (1952, TV Series) – Giant at Hollywood Bowl Million Dollar Mermaid (1952) – Giant Off Limits (1953) – Big Sailor Invaders from Mars (1953) – Mutant carrying David to "Intelligence" The Snow Creature (1954) – Yeti The Incredible Shrinking Man (1957) – Giant (scenes deleted)
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Important facts
People in Lock Martin's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Lock Martin's
Frequently asked questions
Who was Lock Martin?
American actor (1916-1959)
When was Lock Martin born?
Lock Martin was born on 22 February 1916 in Pennsylvania.
When did Lock Martin die?
Lock Martin died on 19 January 1959 in Los Angeles County.
What was Lock Martin's occupation?
Lock Martin was an actor and film actor.
What nationality was Lock Martin?
Lock Martin was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Lock Martin. https://biography.guide/lock-martin/
MLA: "Lock Martin." Biography.guide, https://biography.guide/lock-martin/.
Chicago: "Lock Martin." Biography.guide. https://biography.guide/lock-martin/.
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