The Mary Tyler Moore Show Title card with Peignot typeface Genre Sitcom Created by James L. Brooks Allan Burns Starring Mary Tyler Moore Edward Asner Gavin MacLeod Ted Knight Valerie Harper Cloris Leachman Georgia Engel Betty White Theme music composer Sonny Curtis Opening theme "Love Is All Around", written and performed by Sonny Curtis Composer Patrick Williams Country of origin United States Original language English No. of seasons 7 No. of episodes 168 (list of episodes) Production Executive producers James L. Brooks Allan Burns Producers David Davis Lorenzo Music Ed Weinberger Stan Daniels Running time 25–26 minutes Production company MTM Enterprises Distributor 20th Television Release Original network CBS Picture format Color Audio format Monaural Original release September 19, 1970 (1970-09-19) – March 19, 1977 (1977-03-19) Chronology Related shows Rhoda (1974–1978) Phyllis (1975–1977) Lou Grant (1977–1982)