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 Shirley 1 guest appearances Schacter 1 guest appearances Charles 1 guest appearances Marie 1 guest appearances Mr. Langshaw 1 guest appearances Mason 1 guest appearances Jacob 1 guest appearances Roger 1 guest appearances Peep Show Woman 1 guest appearances Beckett 1 guest appearances F-26-184 1 guest appearances Ruby 1 guest appearances Mahjong Partner 1 guest appearances Ted 1 guest appearances Flora Banks 1 guest appearances Penny 1 guest appearances Nurse Lang 1 guest appearances Audrey 1 guest appearances Nurse Gwynne 1 guest appearances Nurse Pratt 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥