Dean Jones (Bobby/Bobbie), Elaine Stritch (Joanne), Charles Kimbrough (Harry), Merle Louise (Susan), Teri Ralston (Jenny), George Coe (David), Susan Browning (April/Andy), Donna McKechnie (Kathy/Theo), Pamela Myers (Marta/PJ), Beth Howland (Amy/Jamie), Steve Elmore (Paul), Charles Braswell (Larry)