Key Witness

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)

Buddy Gorman

Johnny (uncredited)

John Hamilton

R. C. Hurlbert - Coroner (uncredited)

Ray Harper

Driver (uncredited)

Earle Hodgins

Racetrack Security Guard (uncredited)

Mischa Bakaleinikoff

Music Director

Dwight Caldwell

Editor

Philip Tannura

Director of Photography

Rudolph C. Flothow

Producer

Edward Bock

Adaptation, Screenplay

Raymond L. Schrock

Adaptation

D. Ross Lederman

Director

J. Donald Wilson

Story

Jack A. Goodrich

Sound

Harold H. MacArthur

Art Direction

Ned Scott

Still Photographer

Carl Hiecke

Assistant Director

Albert Rickerd

Set Decoration