Ed Prentiss

as Commissioner

as Justice Department

as Mr. Franklin

as Mr. Boardman

as Narrator, Policeman

as Narrator / Sam the Agent (uncredited)

as Zachary, Ad Council Member (uncredited)

as Barker (uncredited)

as Professor Beest Lee (voice)

as James Fuller (uncredited)

as U.S. Marshal

as Mr. Duffy (uncredited)

as Mr. Nelson

as Narrator

as Stanley Leeds

as General

as Mr. Marshall

as Pete Cahurn

as Doctor Burns

as Judge Morton

as John / Ralph Bordeen

as Narrator (voice) (uncredited)

as Major Grant