James Darren

Gardner "Ding" Pruitt III

Pamela Tiffin

Sandy Palmer

Paul Lynde

Syd Hoyt

Tina Louise

Topaz McQueen

Bob Denver

Kelp

Robert Middleton

Burford Sanford Cronin

Nancy Sinatra

Karen Cross

Claudia Martini

Sue Lewis

Ellen Burstyn

Dr. Pauline Swenson

Woody Woodbury

Woody Woodbury

Louis Quinn

Gus Kestler

Sammee Tong

Clyde

Addison Richards

Dean Watkins

Paul 'Mousie' Garner

Mousie

Benny Baker

Lou

Anna Lee

Laura Pruitt

Sheila Bromley

Mrs. Harkness

Jack La Rue

Cronin's Business Associate

Allen Jenkins

Col. Leslie Jenkins

Robert Armstrong

Norman Armstrong

Ed Garner

College Boy

Susan Hart

College Girl

Michael Nader

College Boy

Harry Antrim

Harry (uncredited)

Bess Flowers

Jane (uncredited)

Alberto Morin

Marion (uncredited)

Roger Smith

Detective Smitty (uncredited)

George Raft

Detective (uncredited)

Amadee Chabot

Beach Girl (uncredited)

Maria De Aragon

Dancer (uncredited)

Anthony Eustrel

Faculty Member (uncredited)

Ronne Troup

Club Patron (uncredited)