as Radioman (uncredited)
as Jeff Clark
as Andromus
as Charlie
as Mayor Munro
as Dr. Helmut van Bohlen
as Deputy Police Chief
as Stephen Foster Moody
as Dr. Paul Keller
as Self
as Narrator
as Kelly
as Firecat
as Marcus McAllister
as Jeff
as Dr. Paul Taggart
as Jeff Clark / Peter Bradford
as David Mitchell
as Travis Buckman
as George Beaumont (segment "You Can Come Up Now, Mrs. Millikan")
as Danny Bilson
as Hannibal Heyes (alias Joshua Smith)
as Karl Bjorstrand
as Walt Tompkins
as Jack Corbin
as Claude Millgren
as Mike
as Max Kendrick
