How many Broadway shows has Mabel King been in? Mabel King has appeared on Broadway in 4 shows. How many West End shows has Mabel King been in? Mabel King has not appeared in the West End ...

Mabel Elizabeth King (née Washington; December 25, 1932 - November 9, 1999) was an American actress and singer. She is known for her role as Mabel "Mama" Thomas on the ABC sitcom What's Happening!!