Lester

Bud Abbott

Orville

Lou Costello

Allura

Mari Blanchard

Dr. Wilson

Robert Paige

Janie Howe

Martha Hyer

Mugsy

Horace McMahon

Harry

Jack Kruschen

Capt. Olivia

Jean Willes

Dr. Orvilla

Joe Kirk

Dr. Holtz (uncredited)

Jack Tesler

Venusian Guard

Anita Ekberg

First Policeman in Bank

James Flavin

Dr. Coleman (uncredited)

Harold Goodwin

Dr. Nedring (uncredited)

Hal Forrest

Venusian Guard

Jackie Loughery

Police Sergeant

Rex Lease

Handmaiden (as Ruth June Hampton) (as Miss New Jersey)

Ruth Hampton

Drunk

Billy Newell

Handmaiden (as Miss Montana)

Valerie Jackson

Second Policeman in Bank (uncredited)

Russ Conway

Handmaiden (as Renate Huy) (as Miss Germany)

Renate Hoy

Man at Fountain (uncredited)

Syd Saylor

Handmaiden (as Miss Louisiana)

Jeanne Thompson

Venusian Guard

Jeri Miller

Handmaiden (as Elza Edsman) (as Miss Hawaii)

Elsa Edsman

Venusian Guard

Judy Hatula

Traffic Cop

Paul 'Tiny' Newlan

Venusian Guard (uncredited)

Patti McKaye

Second Boy (uncredited)

Harry Shearer

French Girl

Grace Lenard

Cashier

Tim Graham

Police Officer

Ken Christy

French Waiter

Harry Lang

Announcer

Milt Bronson

Observer

Robert Forrest

Porter

Dudley Dickerson

Observer (uncredited)

Robert Stevenson

Bartender

Frank Marlowe

Man

Bobby Barber

Traffic Cop

Paul Newlan

Gloria Paul

Dale Van Sickel