The Mystery of the 13th Guest
A woman of twenty-one opens her grandfather's will left to her thirteen years earlier, per his instructions. Murder soon follows.
Helen Parrishas Marie MorganDick Purcellas Johnny SmithTim Ryanas Police Lt. BurkeFrank Faylenas Speed DuganJohnny Duncanas Harold Morgan (as John Duncan)John Dawsonas Tom Jackson (adult)Addison Richardsas District AttorneyJacqueline Dalyaas Marjory Morgan (adult)Cyril Ringas BarksdalePaul McVeyas Uncle AdamLloyd Ingrahamas Grandfather MorganRobert J. Andersonas Harold (child)Shirley Jean Andersonas Marie (child)Mike Donovanas Mike - Police Desk Sergeant (uncredited)Lester Dorras Carter (uncredited)Dick Gordonas Uncle John (uncredited)Herbert Heyesas Dr. Sherwood - Plastic Surgeon (uncredited)Donald Kerras Photographer (uncredited)Fred 'Snowflake' Toonesas Joe the Valet (uncredited)Wilbur Mackas Police Coroner (uncredited)Richard Neillas Uncle Wayne (uncredited)Dick Rushas Cop (uncredited)