Rebecca Chiara Marano. Actress: 8SEN (Mugen Sen). Rebecca Chiara Marano is an American voice actor based in Dallas, Texas. She is known for her work in video games, animation, and ADR. Her voice can also be heard as numerous creature and animal SFX in video game and animation works. When not performing, she also works as a casting director, producer, editor, and VO director for many indie studios.