Don Murray as Tom Harrison

Inger Stevens as Eve Harrison

Barry Nelson as Hal Carter

Fritz Weaver as Anderson

Sorrell Booke as Alton

Marc Connelly as Davenport

Kathleen Maguire as Ruth

Dana Elcar as Craigmeyer

Barnard Hughes as Doctor Helm

Sudie Bond as Wilma

Frederick Rolf as Rigley

Hugh Franklin as Willoughby

Ralph Waite as Man from Toledo

Valerie Allen as Louise

John Randolph as Smith

Doreen Lang as Mrs. Hollingsworth

House Jameson as Win Hollingsworth

Rutanya Alda as Nurse

George Benson as Self - Orchestra Conductor

Ronnie Cuber as Saxophonist

Conrad Bain as Lawyer (uncredited)

Ed Crowley as Garage Man (uncredited)

Lora Mitchell as Go Go Dancer (uncredited)