Movie Cast (18)

• 

  Tris Coffin

  Prof. Jeff King

• 

  Mae Clarke

  Glenda Thomas

• 

  Don Haggerty

  Tony Dirken

• 

  House Peters Jr.

  Burt Winslow

• 

  James Craven

  Prof. Millard

• 

  I. Stanford Jolley

  Prof. Bryant

• 

  Ted Adams

  Martin Conway

• 

  Marshall Bradford

  Dr. Graffner

• 

  Stanley Price

  Gunther von Strum

• 

  Douglas Evans

  Civil Defense Chairman

• 

  Arvon Dale

  Chairman's Aide

• 

  Tom Steele

  Henchman

• 

  Dale Van Sickel

  Henchman

• 

  David Sharpe

  Henchman

• 

  Carey Loftin

  Henchman

• 

  Bud Wolfe

  Henchman

• 

  Frank O'Connor

  Old Watchman

• 

  Art Gilmore

  Radio Voice

Movie Crew (4)