6 'Terminator' actors who have appeared on 'The Walking Dead'

Before he was Gregory, the cowardly, submissive leader of the Hilltop, Berkeley played John Connor's foster dad, Todd Voight, who was terminated by the T-1000.

Patrick, who famously played the T-1000 in "Terminator 2," appeared on one episode as Mays, a survivor who crosses paths with Aaron (Ross Marquand) and Gabriel (Seth Gilliam). He also played an identical twin who Mays held captive.

Patrick told Insider in 2021 that he's been a fan of "TWD" for years. As he was home in Atlanta, Georgia, where the series films, during the pandemic, he was finally able to appear on the show.

"I often wondered, well, maybe someday I'll get a shot to get down there," Patrick said. "I'm just glad it finally fell into place where I could actually do it. They wrote such a great role that I read it and I went, 'Oh my God, how can you not want to do that part?'"

Joshua Mikel, who appeared on "TWD" from season seven through the season eight finale, was credited as the "angry driver" in the 2015 film starring Emilia Clarke.

After appearing in the 2015 film as Lt. Whitley, Cahill made her first appearance on the seventh season of "TWD" a year later.

Cahill has played one of the longest-surviving background players on the AMC series. She first joined the show as a crucial member of King Ezekiel's (Khary Payton) royal guard.

McGowan appeared as a Savior named Justin on three episodes of "The Walking Dead's" ninth season.

Biehn plays Ian, the leader of the new group introduced on season 11, episode 13.

The actor starred as Kyle Reese in 1984's "The Terminator."