| Jack Guilliam | |
|---|---|
 | |
| Name in Japanese | ジャック・ギリアム |
| Rōmaji Translation | Jakku Giriamu |
| Appears in | Anime |
| Voice Actor (Japanese) | Hiroshi Matsumoto |
| Voice Actor (English) | John Gremillion |
| Personal Info | |
| Gender | Male |
| Affiliation/s | Order of Magdalene |
| Status | Active |
Jack Guilliam (ジャック・ギリアム Jakku Giriamu) is a member of the Order of Magdalene. He is a first-class militia and a close friend of Ewan Remington. He has a lot of physical strength and has a partner named Grace. Though he appears to be very serious and reserved, he tries to help Rosette and Chrono whenever he's able to.