Complex sentence: He has starred in two full length films, and planned on entering the film industry once again after "Shabhaye Barareh" was complete, which did not happen as he started working on his next project, television series "Baghe Mozaffar".
Split into simpler sentences: He has starred in two full length films, and had planned on entering the film industry once again after "Shabhaye Barareh" was completed. However, he instead started working on his next project, television series "Baghe Mozaffar".