Series Cast 14

1. 

   Bonnie Franklin

   Ann Romano (15 Episodes)

2. 

   Valerie Bertinelli

   Barbara Cooper (15 Episodes)

3. 

   Pat Harrington, Jr.

   Dwayne Schneider (15 Episodes)

4. 

   Mackenzie Phillips

   Julie Cooper (15 Episodes)

5. 

   Richard Masur

   David Kane (15 Episodes)

6. 

   Don Diamond

   — (1 Episode)

7. 

   Susan Bay Nimoy

   — (1 Episode)

8. Carla Borelli

   — (1 Episode)

9. 

   Robert Mandan

   — (1 Episode)

10. 

    Charles Lane

    — (1 Episode)

11. 

    Lyman Ward

    — (1 Episode)

12. 

    Fritzi Burr

    — (1 Episode)

13. 

    Louisa Moritz

    — (1 Episode)

14. 

    Robby Benson

    Ken (1 Episode)

Series Crew 9