Shirl Conway
— Liz Thorpe
Zina Bethune
— Gail Lucas
Joseph Campanella
— Dr. Ted Steffen
Edward Binns
— Dr. Anson Kiley
Stephen Brooks
— Dr. Ned Lowry
Michael Tolan
— Dr. Alex Tazinski "Ski"
Martin Sheen
— Saunders
Martin Sheen
— Carl
Alan Alda
— Dr. John Griffin
Patrick O'Neal
— Tom Farrell
Joey Heatherton
— Ellen Denby
Corinne Orr
Mary Fickett
Dustin Hoffman
— Larson