Mary Tyler Moore Mary Richards Actor Ed Asner Lou Grant Actor Gavin MacLeod Murray Slaughter Actor Ted Knight Ted Baxter Actor Betty White Sue Ann Nivens Actor David Huddleston Freddy Guest Star Noble Willingham Hal Guest Star Beans Morocco Bellhop Guest Star Robert Karvelas Waiter Guest Star James L. Brooks Executive Producer Allan Burns Executive Producer Ed. Weinberger Producer Stan Daniels Producer Alan Rafkin Director David Lloyd Writer