(written from a Production point of view)
Castle studied acting under coaches such as Idalis DeLeon, Peter Henry Schroeder, Christy Dooley, and Gordon Jump. Beside stage plays like Corpus Christi and The Odd Couple, Castle hosted several live events and television shows, including Ultimate Shopping Network, Sea TV, In Business TV, and Hot Guys Who Cook.
Among his acting credits are supporting and guest roles in the television series Harry and the Hendersons (1992, starring Courtney Peldon), Sunset Beach, Ex Wives Club, Untold Stories of the ER (2006), and LA Forensics (2007).
Castle portrayed different lead roles in the independent productions Fire Up, They Call Me Stranger, Phoenix (2006), and Dark Island (2009).