The Big Mouth

Jerry Lewis

Gerald Clamson

Harold J. Stone

Thor

Susan Bay Nimoy

Suzie Cartwright

Buddy Lester

Studs

Del Moore

Mr. Hodges

Paul Lambert

Moxie

Jeannine Riley

Bambi Berman

Leonard Stone

Fong

Charlie Callas

Rex

Frank De Vol

Bogart

Harland Sanders

Himself (uncredited)

George Takei

Diamond Jeweler (uncredited)

Pete Peterson

Water Skiier (uncredited)

Vern Rowe

Gunner

David Lipp

Lizard

Vincent Van Lynn

Fancher

Mike Mahoney

Detective #1

Walter Kray

Detective #2

Eddie Ryder

Specs

Murray Alper

Ed - Motorcycle Officer (uncredited)

Vince Barnett

Man at Telephone Booth (uncredited)

Barbara Burgess

Girl on Beach (uncredited)

Charo

Mexican Maid (uncredited)

Corinne Cole

Stewardess (uncredited)

Harry Fleer

Male Nurse (uncredited)

Med Flory

Male Nurse (uncredited)

Percy Helton

Sanitation Man (uncredited)

James Jeter

Police Lieutenant (uncredited)

Ray Kellogg

Police Sergeant (uncredited)

Don Kennedy

Marine Sergeant (uncredited)

Robert Kino

Asian Man (uncredited)

Roland La Starza

Jack - Motorcycle Officer (uncredited)

Florence Lake

Assaulted Lady (uncredited)

Scot Lewis

Guy on Beach (uncredited)

John Macchia

Lifeguard (uncredited)

Howard Morris

Cameo Role (uncredited)

William O'Connell

Psychiatrist (uncredited)

Iris Rainer

Girl on Beach (uncredited)

Tony Regan

Hotel Guest / Tourist (uncredited)

Rob Reiner

Guy on Beach (uncredited)

Michael Ross

Bald Man (uncredited)

William Wellman Jr.

Harold - Bellboy / Car Hop (uncredited)

John Nolan

F.B.I. Agent