David Niven

Chris Walters

Mitzi Gaynor

Alice Walters

Carl Reiner

Bud

Loring Smith

Arthur Gans

Monique van Vooren

Jeanette Revere

Phyllis Povah

Lillian Gans

Patty Duke

Debbie Walters

Kevin Coughlin

Oakie Walters

Elizabeth Wilson

Millie

David Doyle

Hotel Desk Clerk

Joseph Sirola

Waiter at El Morocco (uncredited)