Scott Hylands

as Dr. Chris Durant

Lawrence Pressman

as Dr. Konrad Zane

Katherine Helmond

as Nurse Katherine Gunther

Karen Carlson

as Nurse Clive Olin

Renne Jarrett

as Dr. Lynn Peterson

Alex Henteloff

as Dr. Alex Keefer

Dana Andrews

as Dr. Hutchins

Michael Conrad

as Graham

Peter Donat

as Dr. Bryce

David Doyle

as Dr. Atkinson

James Naughton

as Dr. Baxter

Dennis Patrick

as Mr. Wesco

Joyce Jameson

as Mrs. Graham

Janet Brandt

as Surgical secretary

Davis Roberts

as Dr. Dorsett