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

Colin Romoff

William LeMassena
(as William Le Massena)
Claudia Morgan
Drunk Woman at Christmas Party