Jason Lei Rose is the voice actor for James Ironwood in RWBY. Formerly a model abroad in Asia, Rose is now a producer and filmmaker based in Los Angeles, California. He was a long time friend of the show's creator, Monty Oum, and had often expressed his desire to work with the filmmaker.
- In "Welcome to Beacon", he was credited as Jason Lee Rose rather than Jason Lei Rose.
- During a virtual GalaxyCon panel in 2020, Rose had expressed a desire for Ironwood to be added to the roster of BlazBlue Cross Tag Battle as a playable character, believing that a dual pistol wielding character would be a welcome addition to the game's cast.