Tony Bill Director Dudley Moore Patrick Dalton Actor, Original Music Mary Tyler Moore Charlotte Dreyfus Actor Katherine Healy Nicole Dreyfus Actor Shannon Wilcox Peg Dalton Actor Bill Calvert Jeff Dalton Actor Joe Regalbuto Bob Crowther Actor John Harkins Arnold Stillman Actor Michael Ensign Choreographer Actor Anne Ditchburn Assistant Choreographer Actor Chea Collette Ballet Instructor Actor Clement von Franckenstein TV Interviewer Actor David Seltzer Screenwriter Peter Guber Producer Jon Peters Producer Michael D. Margulies Cinematographer Stu Linder Film Editing Hilyard M. Brown Art Director Ira Bates Set Decoration Jerry Wunderlich Set Decoration Jane Feinberg Casting Mike Fenton Casting Marci Liroff Casting