Steve Gordon Director, Screenwriter Dudley Moore Arthur Bach Actor John Gielgud Hobson Actor Liza Minnelli Linda Marolla Actor Geraldine Fitzgerald Martha Bach Actor Jill Eikenberry Susan Johnson Actor Stephen Elliott Burt Johnson Actor Ted Ross Bitterman Actor Barney Martin Ralph Marolla Actor Thomas Barbour Stanford Bach Actor Anne De Salvo Gloria Actor Marjorie Barnes Hooker Actor Dillon Evans Plaza Maitre D' Actor Maurice Copeland Uncle Peter Actor Justine Johnston Aunt Pearl Actor Paul Vincent Plaza Waiter Actor Paul Gleason Executive Actor Phyllis Somerville Saleslady Actor Irving Metzman Security Guard Actor Lou Jacobi Plant Store Owner Actor Helen Hanft Perry's Wife Actor Lawrence Tierney Man in Coffee Shop Actor Robert Greenhut Producer Fred Schuler Cinematographer Susan E. Morse Film Editing Burt Bacharach Original Music Stephen Hendrickson Production Design Carol Joffe Set Decoration Steven Jordan Set Decoration Jane Greenwood Costume Design Howard Feuer Casting Jeremy Ritzer Casting Juliet Taylor Casting