Marshall Bradford

as Doc Kemper

as Dr. Matthias (uncredited)

as Member of the Tribe

as District Attorney (uncredited)

as Dr. Randolph

as Mailman (uncredited)

as Mr. Porter (uncredited)

as U.S. Secretary Platt

as Academy Awards Attendee (uncredited)

as O'Hanlon, Pinkerton Agent (uncredited)

as Mr. Hillman

as Lowell

as The Commissioner

as Naturalists' Conference Chairman

as Dr. Pelham

as Mr. Creely (uncredited)

as Man Outside the Club (uncredited)

as Mutate Council Leader

as Malcolm Smith [Ch. 10]

as Dr. Graffner

as Sam Foster

as Ben Williams

as Professor Krantz

as Walt Beck

as Headwaiter (uncredited)

as Farmer (uncredited)

as Parole Board Member (uncredited)

as Senator (uncredited)

as Chief of Police (uncredited)

as Paul Gordon

as Professor Graftner

as Judge Murdock

as Marshal Hunt

as Doctor

as Judge Lamar

as First Explorer

as Sir Arthur

as Sheriff Brice