Kelly Reilly ✓

About Kelly Reilly

Jessica Kelly Siobhán Reilly is an English actress. Her television work includes starring roles in the British crime drama Above Suspicion (2009–2012), the American psychological medical drama Black Box (2014), the American anthology crime drama True Detective (2015) and the historical fantasy drama Britannia (2018). From 2018 to 2024, she played Beth Dutton on Yellowstone, opposite Kevin Costner, and in 2026 on the spin-off Dutton Ranch.