One Day at a Time: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! One Day at a Time Comedy 12/16/75 – 5/28/84 United States GeneralEpisodesCastCharactersGallery Cast See full cast → Valerie Bertinelli as Barbara Cooper Bonnie Franklin as Ann Romano Pat Harrington, Jr. as Dwayne Schneider Mackenzie Phillips as Julie Cooper Glenn Scarpelli as Alex Handris Boyd Gaines as Mark Royer Michael Lembeck as Max Horvath Nanette Fabray as Katherine Romano Richard Masur as David Kane Shelley Fabares as Francine Webster Shelley Fabares as Francine Webster Howard Hesseman as Sam Royer Mary Louise Wilson as Ginny Wroblicki Ron Rifkin as Nick Handris