Claude Akins
— Oscar Billingham
Patty Duke
— Norma Walsh
Len Birman
— Marvin Luck
Frank Converse
— Dr. Paul Jeffries
William Daniels
— Marshall Snowden
George Hamilton
— Glenn Lyle
Murray Hamilton
— Dr. Ned Folger
Jane Seymour
— Jan
Michael Lerner
— Dr. Berglund
Susan Howard
— Julie Clayton
Beatrice Straight
— Beatrice Richmond
Thalmus Rasulala
— Dr. Alvarez
Jeff Lynas
— Mitch
Joshua Bryant
— Ballinger