When practicing for a role, actor Jack is mistaken for the killer Ace. He doesn't realize this until it's too late and is carried off to gangster boss Leo Smooth, who wants Ace to do a job for him. Fearing for his life, Jack plays his role, but always searching for a way out of the well-guarded house.
Dick Van Dyke
as Jack Albany
Edward G. Robinson
as Leo Joseph Smooth
Dorothy Provine
as Sally Inwood
Henry Silva
as Frank Boley
Tony Bill
as Florian
Slim Pickens
as Cowboy Schaeffer
Jack Elam
as Ace Williams
Ned Glass
as Rinzy Tobreski
Richard Bakalyan
as Bobby Macoon
Mickey Shaughnessy
as Francis
Philip Coolidge
as Fingers Felton
James Millhollin
as Museum Director
