Kelley Lynne Klebenow (July 10, 1992 – August 2, 2025), known professionally as Kelley Mack, was an American actress. She played Addy in season 9 of the series The Walking Dead (2018–2019). She also had roles in Profile (2018) and Broadcast Signal Intrusion (2021), and voiced Gwen Stacy/Spider-Woman as voice double for Hailee Steinfeld in the Spider-Man: Into the Spider-Verse (2018), Spider-Man: Across the Spider-Verse (2023), and promotional material. (Via Wikipedia)