John Rosengrant, in addition to being a co-owner of the special effects company Legacy Effects, is both a puppeteer and an actor. Legacy Effects contributed to The Mandalorian by aiding in the design and creation of The Child. Furthermore, he performed as Gor Koresh, a character voiced by John Leguizamo.
- The Mandalorian (Legacy Effects Supervisor, Puppeteer) The Mandalorian — "Chapter 1: The Mandalorian" The Mandalorian — "Chapter 2: The Child" The Mandalorian — "Chapter 3: The Sin" The Mandalorian — "Chapter 4: Sanctuary" The Mandalorian — "Chapter 5: The Gunslinger" The Mandalorian — "Chapter 6: The Prisoner" The Mandalorian — "Chapter 7: The Reckoning" The Mandalorian — "Chapter 8: Redemption" The Mandalorian — "Chapter 9: The Marshal" (Performer for Gor Koresh) The Mandalorian — "Chapter 10: The Passenger"
- The Book of Boba Fett (Legacy Effects Supervisor, Puppeteer) The Book of Boba Fett — "Chapter 1: Stranger in a Strange Land" The Book of Boba Fett — "Chapter 2: The Tribes of Tatooine" (Performer for Mok Shaiz) The Book of Boba Fett — "Chapter 7: In the Name of Honor" (Performer for Mok Shaiz)
- The Mandalorian — " Chapter 1: The Mandalorian "
- The Mandalorian — " Chapter 2: The Child "
- The Mandalorian — " Chapter 3: The Sin "
- The Mandalorian — " Chapter 4: Sanctuary "
- The Mandalorian — " Chapter 5: The Gunslinger "
- The Mandalorian — " Chapter 6: The Prisoner "
- The Mandalorian — " Chapter 7: The Reckoning "
- The Mandalorian — " Chapter 8: Redemption "
- The Mandalorian — " Chapter 9: The Marshal "
- The Mandalorian — " Chapter 10: The Passenger "
- The Book of Boba Fett — " Chapter 1: Stranger in a Strange Land "
- The Book of Boba Fett — " Chapter 2: The Tribes of Tatooine "
- Disney Gallery: The Book of Boba Fett
- SWCA 2022: 5 Behind-the-Scenes Secrets and Details of The Mandalorian and The Book of Boba Fett on StarWars.com (backup link)
- The Book of Boba Fett, Star Wars: Visions Receive Emmy Award Nominations on StarWars.com (backup link)