Ed Prentiss

as Commissioner

as Justice Department

as Mr. Franklin

as Mr. Boardman

as Narrator, Policeman

as Zachary, Ad Council Member (uncredited)

as Narrator / Sam the Agent (uncredited)

as Barker (uncredited)

as James Fuller (uncredited)

as U.S. Marshal

as Mr. Duffy (uncredited)

as Professor Beest Lee (voice)

as Mr. Nelson

as Narrator

as Bollinger (uncredited)

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 Captain Farrell

as Major Grant