Vincent Price
James Darren
Jill St. John
Jim Backus
Dr. Hackett
Nurse
Hairdresser
Producer
Attendant
Lady with Cat
Man with Duck
Mooch (voice)
Bettye Ackerman (uncredited)
Marty Allen (uncredited)
Kathie Browne - Party guest (uncredited)
Narrator (voice) (uncredited)
Phyllis Diller (uncredited)
Jay C. Flippen - Party guest (uncredited)
Narrator (voice) (uncredited)
Mooch (uncredited)
Security guard (uncredited)
Sam Jaffe - Party guest (uncredited)
Rose Marie (uncredited)
Dick Martin (uncredited)
Darren McGavin (uncredited)
Cesar Romero (uncredited)
Mickey Rooney (uncredited)
Animal imitator (uncredited)
David Wayne (uncredited)