Mary Tyler Moore Mary Richards Actor Ed Asner Lou Grant Actor Gavin MacLeod Murray Slaughter Actor Ted Knight Ted Baxter Actor Valerie Harper Rhoda Morgenstern Actor Bruce Kirby Bert Guest Star Robert Casper Anaesthesiologist Guest Star Lynn Wood Nurse Guest Star Arthur Abelson Attendant Guest Star Pat Carroll Loretta Kuhne Guest Star James L. Brooks Executive Producer Allan Burns Executive Producer Ed. Weinberger Producer Stan Daniels Producer Jay Sandrich Director Treva Silverman Writer