William Frederick Knight, sometimes credited as William Knight, William Frederick, or Frederick Knight, was an American actor who lent his voice to the English dubs of anime and video games. He was often cast in the role of a wise old man, such as in Ghost in the Shell, The Big O, Paranoia Agent, and Eureka Seven. He played similar archetypes in live-action roles in television and short films, including I Think You Should Leave with Tim Robinson and The League of STEAM.