Bud Abbott

Lester

Lou Costello

Orville

Mari Blanchard

Allura

Robert Paige

Dr. Wilson

Horace McMahon

Mugsy

Martha Hyer

Janie Howe

Jack Kruschen

Harry

Joe Kirk

Dr. Orvilla

Jean Willes

Capt. Olivia

Anita Ekberg

Venusian Guard

James Flavin

First Policeman in Bank

Jackie Loughery

Venusian Guard

Ruth Hampton

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

Renate Hoy

Handmaiden (as Renate Huy) (as Miss Germany)

Russ Conway

Second Policeman in Bank (uncredited)

Syd Saylor

Man at Fountain (uncredited)

Harry Shearer

Second Boy (uncredited)

Harold Goodwin

Dr. Coleman (uncredited)