Peter Sellers

Henry Orient

Tippy Walker

Valarie Campbell Boyd

Merrie Spaeth

Marian 'Gil' Gilbert

Paula Prentiss

Stella Dunnworthy

Angela Lansbury

Isabel Boyd

Tom Bosley

Frank Boyd

Phyllis Thaxter

Mrs. Avis Gilbert

Bibi Osterwald

Erica 'Boothy' Booth

John Fiedler

Sidney

Fred Stewart

Doctor

Al Lewis

Store Owner

Peter Duchin

Joe Daniels

Philippa Bevans

Emma Hambler

Jerry Jarrett

(as Jerry Jerrett)

Jane Buchanan

Lillian Kafritz

Peter Turgeon

Orchestra Member

William Hinnant

Acting

Colin Romoff

Sound