Boris Karloff

Character: Dr. Henryk Savaard

Lorna Gray

Character: Janet Savaard

Robert Wilcox

Character: 'Scoop' Foley

Roger Pryor

Character: District Attorney Drake

Don Beddoe

Character: Lieutenant Shane

Ann Doran

Character: Betty Crawford

Joe De Stefani

Character: Dr. Stoddard

Charles Trowbridge

Character: Judge Bowman

Byron Foulger

Character: Lang

Dick Curtis

Character: Jury Foreman Clifford Kearney

James Craig

Character: Juror Watkins

John Tyrrell

Character: Juror Sutton

George Anderson

Character: Prison Warden (uncredited)

Stanley Blystone

Character: Prison Guard (uncredited)

Sam Ash

Character: Druggist (uncredited)

Harlan Briggs

Character: Defense Attorney Parker (uncredited)

Stanley Brown

Character: Bob Roberts (uncredited)

Flo Campbell

Character: Housewife (uncredited)

John Dilson

Character: King - City Editor (uncredited)

Carl Faulkner

Character: Bailiff (uncredited)

Chuck Hamilton

Character: Juror (uncredited)

Frank Jaquet

Character: Cigar-Smoking Fat Juror (uncredited)

Kenner G. Kemp

Character: Reporter (uncredited)

William Lally

Character: Bailiff (uncredited)

Perc Launders

Character: Bailiff (uncredited)

Larry Lund

Character: Court Clerk (uncredited)

Ian Maclaren

Character: Priest (uncredited)

Charles McAvoy

Character: Prison Official (uncredited)

Charles Miller

Character: Dr. Avery - Juror (uncredited)

Bert Moorhouse

Character: Reporter (uncredited)

Franklin Parker

Character: Second Reporter (uncredited)

Tom Quinn

Character: Reporter (uncredited)

Bob Reeves

Character: Juror (uncredited)

Walter Sande

Character: Reporter at Typewriter (uncredited)

Robert Sterling

Character: First Reporter (uncredited)

Edward Thomas

Character: Butler (uncredited)

Cyril Thornton

Character: Senior Butler (uncredited)