Full Credits
20 members

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
16 members
George Roy Hill
Director
Ruth Deen
Script Supervisor
Nora Johnson
Screenplay
Nunnally Johnson
Screenplay
Nora Johnson
Novel
Jerome Hellman
Producer
Marion Dougherty
Casting
Boris Kaufman
Director of Photography
Arthur J. Ornitz
Director of Photography
Elmer Bernstein
Original Music Composer
Sam Freed Jr.
Musician
Jan Scott
Art Direction
James W. Sullivan
Production Design
Ken Krausgill
Set Decoration
Ann Roth
Costume Design
Stuart Gilmore
Editor