How many movies have Carlos Arjona and René Cardona Jr. collaborated on?

They have worked on 5 movies together! Their first movie together was Night of the Bloody Apes (1969) while their highest rated movie together was Survive! (1976). They have not worked together since Tintorera: Killer Shark (1977). They are most known for their horror films together.

Crew
Set Decoration
Crew
Director
Crew
Set Designer
Crew
Screenplay