Complex sentence: Saw Gerrera is a fictional character in the "Star Wars" franchise, played by Forest Whitaker in the anthology film' as well as voiced by him in the animated series "Star Wars Rebels".
Split into simpler sentences: Saw Gerrera is a fictional character in the "Star Wars" franchise. He was subsequently played by Forest Whitaker in the anthology film' as well as voiced by him in the animated series "Star Wars Rebels".