William Smithers

as Milo Crane

as Major Cody

as William Barrett

as Mullen

as Jeremy Wendell

as Doctor Karl

as General Koslenko

as Warden Barrot

as Mitchell

as Sam Drummond

as (uncredited)

as Captain Joe Marx

as Dr. Norman Jessup

as Mark Wade

as Doctor Miller

as Dr. Jerry Fielder

as Leo Barnes

as George Howe

as Lew Dickens

as Dr. Warren Parker

as Dave Martin

as Mr. Aiken

as Salvatore Pucci

as Frank Rich

as Nat Greely

as Adam Lane

as Victor Tomar

as Frank Egan

as Del Packard

as Captain R.M. Merik

as Joseph Kearney

as Clay Keller

as Frank William Stocker

as John Debecker

as Lt. Markes

as District Attorney Koch

as Harry Woodruff

as Alex Bromm

as Lt. Gen. A.P. Hill

as Gourgaud

as Bernie Linton

as Linus Hobbs

as Lieutenant Bill Meade