• 
  Roger Corman

  Roadblock State Trooper
• 
  Dorothy Malone

  Connie Adair
• 
  Iris Adrian

  Wilma Belding, Waitress
• 
  Marshall Bradford

  Mr. Hillman, Race Marshal
• 
  Bruce Carlisle

  Faber
• 
  Byrd Holland

  Doctor
• 
  Jean Howell

  Sally Phillips
• 
  John Ireland

  Frank Webster

• 
  Robin Morse

  Gas Station Attendant
• 
  Dick Pinner

  State Trooper (as Richard Pinner)
• 
  Lou Place

  Det. Faraday
• 
  'Snub' Pollard

  Park Caretaker (as Snub Pollard)
• 
  Henry Rowland

  Motorist in Park
• 
  Larry Thor

  Detective Sergeant
• 
  Bruno VeSota

  Bob Nielson, Truck Driver (as Bruno Ve Sota)

• 
  Floyd Crosby

  imagine
• 
  Sam Weiss

  miscellaneous crew
• 
  Roger Corman

  producător
• 
  Roger Corman

  cascador
• 
  Roger Corman

  scriitor