The World of Henry Orient

Tom Bosley as Frank Boyd Phyllis Thaxter as Mrs. Avis Gilbert Bibi Osterwald as Erica 'Boothy' Booth Peter Sellers as Henry Orient Merrie Spaeth as Marian 'Gil' Gilbert Angela Lansbury as Isabel Boyd John Fiedler as Sidney Peter Duchin as Joe Daniels Tippy Walker as Valarie Campbell Boyd Philippa Bevans as Emma Hambler Paula Prentiss as Stella Dunnworthy Fred Stewart as Doctor Al Lewis as Store Owner William Hinnant Claudia Morgan as Drunk Woman at Christmas Party

George Roy Hill Director Ann Roth Costume Design Nunnally Johnson Screenplay Jerome Hellman Producer Elmer Bernstein Original Music Composer