Greer Garson as Jan Stewart

Robert Ryan as Joe Hargrave

Barry Sullivan as Richard Y. Oliver, Sr.

Richard Haydn as Dr. Avord Barrett

Barbara Lawrence as Barbara Dunning

James Arness as Ralph Munsey

Rex Thompson as Homer Curtis

Tim Considine as Richard Y. Oliver, Jr.

David Stollery as Jeff Carlin

Frances Bergen as Sylvia Carlin

Ian Wolfe as Roger Frane

Donald MacDonald as Bobby Lennox

Dale Hartleben as Kevin Ellison Clark III

Ivan Triesault as Erik Haldeman

Stuffy Singer as James Tracy 'Jimmy' Travers

Peter J. Votrian as Alan Saunders

Lee Aaker as Michael Elliott

Mary Adams as Martha