Dick Van Dyke

Jack Albany

Edward G. Robinson

Leo Joseph Smooth

Dorothy Provine

Sally Inwood

Henry Silva

Frank Boley

Tony Bill

Florian

Slim Pickens

Cowboy Schaeffer

Jack Elam

Ace Williams

Ned Glass

Rinzy Tobreski

Richard Bakalyan

Bobby Macoon

Mickey Shaughnessy

Francis

Philip Coolidge

Fingers Felton

James Millhollin

Museum Director

Joanna Moore

Melanie Smooth

Leon Alton

Exhibit Guest (uncredited)

Anthony Caruso

Tony Preston (uncredited)

John Cliff

Museum Guard (uncredited)

Russ Conway

Police Capt. Jacoby (uncredited)

John Dennis

Second Museum Guard (uncredited)

Ken Lynch

Police Lieutenant (uncredited)

Jerry Paris

Police Photographer (uncredited)

Clark Ross

Exhibit Guest (uncredited)

Jackie Russell

Sexy woman (uncredited)

Cosmo Sardo

Exhibit Guest (uncredited)

Johnny Silver

Prop Man (uncredited)