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)
Valerie Jackson
Handmaiden (as Miss Montana)
Renate Hoy
Handmaiden (as Renate Huy) (as Miss Germany)
Jeanne Thompson
Handmaiden (as Miss Louisiana)
Jeri Miller
Venusian Guard
Elsa Edsman
Handmaiden (as Elza Edsman) (as Miss Hawaii)
Judy Jorell
Venusian Guard (as Miss MIchigan)
Hal Forrest
Dr. Nedring (uncredited)
Jack Tesler
Dr. Holtz (uncredited)
Russ Conway
Second Policeman in Bank (uncredited)
Syd Saylor
Man at Fountain (uncredited)
Patti McKaye
Venusian Guard (uncredited)
Harry Shearer
Second Boy (uncredited)
Harold Goodwin
Dr. Coleman (uncredited)