Jack Albany

Dick Van Dyke

Leo Joseph Smooth

Edward G. Robinson

Sally Inwood

Dorothy Provine

Frank Boley

Henry Silva

Melanie Smooth

Joanna Moore

Florian

Tony Bill

Cowboy Schaeffer

Slim Pickens

Ace Williams

Jack Elam

Rinzy Tobreski

Ned Glass

Bobby Macoon

Richard Bakalyan

Francis

Mickey Shaughnessy

Fingers Felton

Philip Coolidge

Museum Director

James Millhollin

Prop Man

Johnny Silver

Exhibit Guest (uncredited)

Leon Alton

Tony Preston (uncredited)

Anthony Caruso

Lenny

Paul Condylis

Museum Guard (uncredited)

John Cliff

Police Capt. Jacoby (uncredited)

Russ Conway

TV Actor `Police Capt. Jacoby'

Bob Homel

TV Actor

Dick Winslow

Museum Guard

John Dennis

Sexy woman (uncredited)

Jackie Russell

Police Lieutenant (uncredited)

Ken Lynch

Sam

Rex Dominick

Police Photographer (uncredited)

Jerry Paris

Exhibit Guest (uncredited)

Clark Ross

Matron

Eleanor Audley

Exhibit Guest (uncredited)

Cosmo Sardo

Police Chief Grayson

Tyler McVey