Warren William
Perry Mason
Allen Jenkins
Sgt. Holcomb
Grant Mitchell
District Attorney Claude Drumm
Helen Trenholme
Della Street
Helen Lowell
Elizabeth Walker
Gordon Westcott
Arthur Cartwright
Harry Tyler
Sam Martin - Taxi Driver
Arthur Aylesworth
Sheriff Bill Pemberton
Russell Hicks
Clinton Foley
Frank Reicher
Dr. Carl Cooper
Addison Richards
Judge Markham
James P. Burtis
George Dobbs
Stanley Blystone
Juror (uncredited)
Don Brodie
Reporter in Courtroom (uncredited)
Joseph Crehan
Captain Kelly (uncredited)
Bill Elliott
Reporter in Courtroom (uncredited)
Frank Fanning
Detective Driving Police Car (uncredited)
Jonathan Hale
Courtroom Spectator (uncredited)
Eddie Hart
Deputy (uncredited)
Milton Kibbee
Detective (uncredited)
Lightning the German Shepherd
Prince (uncredited)
Henry Otho
Bailiff (uncredited)
Joe Sawyer
Carl Trask (uncredited)
Charles Sherlock
Reporter with Camera in Courtroom (uncredited)
Monte Vandergrift
Detective (uncredited)
Jack Wise
Telegram Clerk (uncredited)