Dennis Haysbert as Clay Arlington

Mel Harris as Dr. Renee Descartes

Sab Shimono as Dr. Max Shinoda

Dina Merrill as Alice Jameson

Michael Harris as Vincent Towers

David Graf as Lt. Weismann

Fran Ryan as Mrs. Lucerne

John Ingle as Sidney Callahan

Sanford Gibbons as Dr. Fuller (as Sandy Gibbons)

Mark DeMichele as Detective Joe

Sandra Ellis Lafferty as Nurse Stevens (as Sandra Lafferty)

Capri Darling as Soprano

Carol Kiernan as Ticket Agent

Laura Groppe as Sportswoman

Mel Coleman as Sportsman

Lon Carli as Man with Camera

Ann Van Wey as Mrs. Lucerne's Nurse

Sam Smiley as Doctor #1

Seth Siegel as Doctor #2

Vincent Barbi as Arthur Towers

Mark Siegel as Emergency Room Doctor (as Mark Siegel D.O.)

Jack Rubens as Captain Sparks (voice)