Complex sentence: In a 1985 interview, he said that during production he did not care about his original comic strip and was more interested in the film industry: The Italian artists were incredible; they could build anything in an extremely short time.
Split into simpler sentences: In a 1985 interview, he mentioned that during production he did not care about his original comic strip, and was more interested in the film industry. Forest stated that The Italian artists were incredible; they could build anything in an extremely short time.