Robert Urich
— Dr. William Nugent
Maureen Reagan
— Dr. Christine Scofield
Jack Hogan
— Dr. Edward Grey
Jed Allan
— Dick Rawdon
Alfred Ryder
— Dr. Al Marsdan
Harry Townes
— Dr. Burkhart
Lillian Lehman
— Resident Doctor
Corinne Camacho
— Ruth Conoyer
Anne Whitfield
— Mrs. Vanier
Jackie Coogan
— Roger
David Lewis
— Dave
Tom Scott
— Leonard Pitt
Chris Anders
— Erich
Priscilla Morrill
— Mrs. Stinnett
Walter Stocker
— Ernest Lathrop