Michael Callan
Dr. Alec Considine
Dean Jones
Dr. Lew Worship
Telly Savalas
Dr. Dominic Riccio
Stefanie Powers
Gloria Mead Worship
Barbara Eden
Nurse Laura Rogers
Kaye Stevens
Nurse Didi Loomis
George Segal
Dr. Tony "Shiv" Parelli
Inger Stevens
Nancy Terman
Gregory Morton
Dr. Granchard
George Furth
Dr. Phil Osterman