Main Characters Dr. William H. Masters 46 main appearances Virginia E. Johnson 46 main appearances Libby Masters 43 main appearances Betty DiMello 30 main appearances Dr. Austin Langham 17 main appearances Dr. Ethan Haas 11 main appearances
Recurring Guest Characters Howie Masters 2 guest appearances Mr. Schiff 2 guest appearances Richard 1 guest appearances James Bell 2 guest appearances Nathan Oliver 2 guest appearances Josephine May 1 guest appearances Miss Horchow 1 guest appearances Ernie Turk 1 guest appearances Advisor 1 guest appearances Desk Nurse 1 guest appearances OR Doctor #1 1 guest appearances Lois Tupps 1 guest appearances Assisting Nurse #1 1 guest appearances Anesthesiologist 1 guest appearances Worker 1 guest appearances Head of Human Resources 1 guest appearances Mrs. Katcher 1 guest appearances Connie 1 guest appearances Bernadette 1 guest appearances Shirley 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥