Those Merry Souls(1985)

Chiu Chi-Lung and Ng Kuai-Tak are two movie stunt actors in Hong Kong and are suspicious of Lung's father Chiu's mysterious behavior. Unbeknownst to them, Chiu was commissioned as a "messenger" by the Spirit World to take newly-departed souls to the other side. When Tak suffers a major accident on the movie set, Chiu keeps Tak's soul from being taken away, thereby, reviving him.