A mad doctor performs a head transplant on an injured criminal, which results in him being even more dangerous and murderous than before.
Paul Naschy
Silvia Solar
Olivier Mathot
Evelyne Scott
Claude Boisson
Gilda Arancio
Pierre Biet
Víctor Israel
Richard Kolin
Antonia Lotito
Roberto Mauri
Carlos Otero
Ricardo Palmerola
Muriel Renaud
Guy Verda