Phyllis Diller
— Camille Salamander
Jack E. Leonard
— Irving / Herman Gonjular (Twins)
Brian Donlevy
— George Wellington
Johnny Tillotson
— Dodo Bronk
Jayne Mansfield
— Junior Wellington
Lauree Berger
— Nanette
Jordan Christopher
— Frankie
Lou Nelson
— The Sihk
Toni Lee Shelley
— The Mermaid
Penny Roman
— The Secretary
Adam Keefe
— Special Voice (voice)
Jeanette Taylor
— Treasure Hunter
Linda Harrison
— Treasure Hunter
The Wild Ones
— Band