O Jacaré Humano

Elenco

• 
  Beverly GarlandJoyce Webster, aka Jane Marvin
• 
  Bruce BennettDr. Eric Lorimer
• 
  Lon Chaney Jr.Manon
• 
  George MacreadyDr. Mark Sinclair
• 
  Frieda InescortMrs. Lavinia Hawthorne
• 
  Richard CranePaul Webster
• 
  Douglas KennedyDr. Wayne McGregor
• 
  Bill BradleyPatient 'Number Six' (sem créditos)
• 
  Hal K. DawsonConductor
• 
  Dudley DickersonPorter
• 
  John Frederick1st Male Nurse (sem créditos)
• 
  Ruby GoodwinLouann
• Ken KaneThird Male Nurse (sem créditos)
• 
  Boyd StockmanAlligator-headed Paul
• Vince Townsend Jr.Toby
• Lee Warren2nd Male Nurse (sem créditos)

Equipe Técnica