The Mystery of the 13th Guest: Cast
Helen Parrish
Marie Morgan
Dick Purcell
Johnny Smith
Tim Ryan
Police Lt. Burke
Frank Faylen
Speed Dugan
Johnny Duncan
Harold Morgan (as John Duncan)
John Dawson
Tom Jackson (adult)
Addison Richards
District Attorney
Jacqueline Dalya
Marjory Morgan (adult)
Cyril Ring
Barksdale
Paul McVey
Uncle Adam
Lloyd Ingraham
Grandfather Morgan
Robert J. Anderson
Harold (child)
Shirley Jean Anderson
Marie (child)
Mike Donovan
Mike - Police Desk Sergeant (uncredited)
Lester Dorr
Carter (uncredited)
Dick Gordon
Uncle John (uncredited)
Herbert Heyes
Dr. Sherwood - Plastic Surgeon (uncredited)
Donald Kerr
Photographer (uncredited)
Fred 'Snowflake' Toones
Joe the Valet (uncredited)
Wilbur Mack
Police Coroner (uncredited)
Richard Neill
Uncle Wayne (uncredited)
Dick Rush
Cop (uncredited)