Alberto Dalbés

as Ruiz

as Aranda

as Sr. Riva-Medina

as Freddy Carter

as Testaferro

as Juan Ribas

as Harry

as Major Oliver Brooks

as Vargas

as Roque

as Dr. Orla

as Dr. Seward

as Thomas Renfield

as Gordon Douglas

as Ptuschko / Inspector (as Alberto Dalbes)

as Captain Mendoza

as Dr. Seward

as Ernest (as Alberto Dalbes)

as Thomas Dandy Lawrence

as Fiscal

as Irving Lambert

as Philippe

as Julio

as Dr. Harry Webb

as Albert Stone

as Padre Francisco

as Schwartz

as Pinto Rosado

as Santiago

as Carver

as Revel

as Álvaro

as Renard

as Rigo Orel

as David

as Capitán

as Ignacio Armengol

as Pablo

as Antonio León

as Óscar Madroño

as Photographer

as David Réguel

as Carlos Sartori

as Fernando Méndez Dávila

as Alberto Mendez Tejada son / Alberto Miranda

as Doctor Marcelo Carracedo