Frank Perry Director, Producer Richard Benjamin Jonathan Balser Actor Carrie Snodgress Tina Balser Actor Frank Langella George Prager Actor Lorraine Cullen Sylvie Balser Actor Frannie Michel Liz Balser Actor Lee Addoms Mrs. Prinz Actor Hilda Haynes Lottie Actor Donald Symington Pediatrician Actor Peter Boyle Man in Group Therapy Actor Katherine Meskill Charlotte Rady Actor Eleanor Perry Screenwriter Gerald Hirschfeld Cinematographer Sidney Katz Film Editing Peter Dohanos Production Design