For Those Who Think Young

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

Jimmy Griffin

— "I'm Gonna Walk All Over This Land" Performer

Richard Delvy

— "I'm Gonna Walk All Over This Land" Performer

Jack La Rue

— Cronin's Business Associate

Allen Jenkins

— Col. Leslie Jenkins

Robert Armstrong

— Norman Armstrong

Edie Baskin

— College Girl

Laurie Burton

— College Girl

John Christopher

— College Boy

Pam Colbert

— College Girl

Mickey Dora

— College Boy

Lada Edmund Jr.

— College Girl

Marie Edmund

— College Girl

Linda Feldman

— College Girl