William Howard Peter Wisher Jr. is an American screenwriter, known for his work with long-time friend James Cameron on the screenplays for The Terminator and Terminator 2: Judgment Day,[1][2] and his work with Caleb Carr on Exorcist: The Beginning and Dominion: Prequel to the Exorcist.
In the first Terminator film, Wisher has a brief role as 1L19 (real name unknown), an LAPD police officer who is incapacitated next to his own police cruiser by the Terminator, who then steals his vehicle and briefly assumes his identity on the police radio band.
He also has a cameo appearance in Terminator 2: Judgment Day; here he plays a man shopping with his girlfriend and takes pictures of Arnold Schwarzenegger's T-800 Terminator getting back on his feet after being thrown through a store window.
He also plays news reporter Bill Tyler in Cameron's 1989 film The Abyss.
Wisher's other screenwriting work includes Judge Dredd, The 13th Warrior and both versions of The Exorcist prequel.