Gary Merrill

as Pap

as Walter Dietrich

as Mark Corlane

as Sam Burton

as Douglas McCann

as Squint Calloway

as Dr. LaSatier

as Dub Stokes

as Dr. August 'Gus' Boren

as Raymond Garth

as Gideon Spilitt

as James Dougherty

as Pa Demara

as The Poet

as Major Colton

as John Danforth

as Brock Marsh (alias Zachary Paige)

as Police Lt. Lawrence Mathews

as Fred Sargent

as Richard Morton

as David Trask

as Col. Devlin

as George Bates

as Lt. Cmdr. Pete Vincent

as Tommy Scalise

as Colonel Keith Davenport

as Cmdr E.T. Kramer