Horrigan's voice actor is Clint Eastwood, a renowned American actor and filmmaker. He is best known for his roles in classic films such as Dirty Harry and The Good, the Bad and the Ugly. Eastwood's distinctive voice and commanding presence have made him an iconic figure in cinema. In the video game Fallout 2, Horrigan is a formidable antagonist, and Eastwood's voice adds depth to the character. The game, released in 1998, is a sequel to the original Fallout and is set in a post-apocalyptic world. Eastwood's performance contributes to the game's immersive storytelling and memorable characters.