Key Witness_
A man takes over the identity of a dead man while on the lam from a crime he didn't commit.
Starring
John Beal, Trudy Marshall, Jimmy Lloyd
Updated Feb 16, 2026
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Year context
Key Witness was released 79 years ago in 1947.
Overview
A man takes over the identity of a dead man while on the lam from a crime he didn't commit.
Key Witness is a Crime, Drama, Thriller film with a runtime of 1h 7m.
CAST (20)
John Beal
Milton Higby
Trudy Marshall
Marge Andrews
Jimmy Lloyd
Larry Summers
Helen Mowery
Sally Guthrie
Wilton Graff
Albert Loring
Barbara Read
Martha Higby (as Barbara Reed)
Charles Trowbridge
John Ballin
Harry Hayden
Custer Bidwell
William Newell
Smiley
Selmer Jackson
Edward Clemmons
Robert B. Williams
Officer Johnson
Stanley Blystone
Patrolman - Accident Scene (uncredited)
Claire Carleton
Receptionist (uncredited)
Kernan Cripps
Policeman - Coroner's Office (uncredited)
Eddie Dunn
Detective Lt. Dillon (uncredited)
Douglas Fowley
Jim Guthrie (uncredited)
BG
Buddy Gorman
Johnny (uncredited)
John Hamilton
R. C. Hurlbert - Coroner (uncredited)
RH
Ray Harper
Driver (uncredited)
Earle Hodgins
Racetrack Security Guard (uncredited)
DETAILS
FREQUENTLY ASKED QUESTIONS
What is Key Witness about?
A man takes over the identity of a dead man while on the lam from a crime he didn't commit.
How long is Key Witness?
Key Witness has a runtime of 67 minutes (1h 7m).
Who stars in Key Witness?
The cast of Key Witness includes John Beal, Trudy Marshall, Jimmy Lloyd, Helen Mowery, Wilton Graff.
What is the rating of Key Witness?
Key Witness has a rating of 4.5 out of 10 based on 13 votes on TMDB.
GENRES (3)
Crime
Drama
Thriller
