Deborah Walley
— Francine "Gidget" Lawrence
James Darren
— Jeffrey "Moondoggy" Matthews
Michael Callan
— Eddie Horner
Carl Reiner
— Russ Lawrence
Peggy Cass
— Mitzi Stewart
Eddie Foy Jr.
— Monty Stewart
Jeff Donnell
— Dorothy Lawrence
Vicki Trickett
— Abby Stewart
Joby Baker
— Judge Hamilton
Don Edmonds
— Larry Neal
Bart Patton
— Wally Hodges
Jan Conaway
— Barbara Jo Wells
Robin Lory
— Dee Dee Waters
Arnold Merritt
— Clay Anderson
David Nuuhiwa
— Himself
Paul Bradley
— Plane Passenger (uncredited)
Yankee Chang
— Mr. Matsu (uncredited)
Jerado Decordovier
— Waiter (uncredited)
Mimsy Farmer
— Blond Girl in Lobby (uncredited)
Kam Fong
— Hotel Night Clerk (uncredited)
Kenneth Gibson
— Plane Passenger (uncredited)
Johnny Gilbert
— Johnny Spring (uncredited)
Vic Groves
— Maitre d' (uncredited)
Terry Huntingdon
— Stewardess (uncredited)
Guy Lee
— Bellboy (uncredited)
James B. Leong
— Restaurant Patron (uncredited)
Ma Ma Loa
— Dancer (uncredited)
Vivian Marshall
— Lucy (uncredited)
Satini Pualoa
— Piano Player (uncredited)
Owen Song
— Restaurant Patron (uncredited)