Simplify the following text for a Grade 7 native English-speaking person.
Original: So far , three movies are currently being planned on Marvin 's life . One movie , Sexual Healing , is based on the post-Motown career of Marvin Gaye 's later years with Jesse L. Martin playing Marvin and James Gandolfini playing Marvin 's Belgium-based mentor , concert promoter Freddy Cousaert .
Simplified: Marvin 's death shocked his fans though family members and friends knew of Marvin 's depression .