Valerie Harper Rhoda Morgenstern Gerard Actor Julie Kavner Brenda Morgenstern Actor Nancy Walker Ida Morgenstern Actor Harold Gould Martin Morgenstern Actor David Groh Joe Gerard Actor Lorenzo Music Carlton the Doorman Voice Barbara Sharma Guest Star Scoey Mitchell Guest Star Beverly Sanders Guest Star Richard Masur Guest Star Florida Friebus Guest Star Wes Stern Guest Star Melanie Mayron Guest Star Candice Azzara Guest Star Shane Sinutko Guest Star Ron Silver Gary Levy Guest Star Don Chastain Guest Star John Crawford Guest Star Liam Dunn Guest Star Stuart Margolin Guest Star