Main Characters Dr. Stephen Daker 15 main appearances Jock McCannon 14 main appearances Dr. Rose Marie 14 main appearances Dr. Bob Buzzard 14 main appearances
Recurring Guest Characters Nun 14 guest appearances Nun 14 guest appearances Maureen Gahagan 13 guest appearances Lynn Turtle 9 guest appearances Mrs. Kramer 8 guest appearances Grete Grotowska 8 guest appearances Vice Chancellor Ernest Hemmingway 7 guest appearances Vice-Chancellor Jack Daniels 7 guest appearances Chen Sung Yau 7 guest appearances Charlie Dusenberry 6 guest appearances Daphne Buzzard 4 guest appearances Preacher Colin 1 guest appearances