Walker 4x04 "Insane B.S. and Bloodshed" Season 4 Episode 4 Promo Trailer HD - Walker's (Jared Padalecki) lies about the Jackal case finally catch up to him, testing his friendship with his old partner, Captain James (Coby Bell). Cassie (Ashley Reyes) works a lead in the Jackal case alongside Detective Luna (guest star Justin Johnson Cortez) and learns a hard lesson. Stella (Violet Brinson) makes a shocking realization. Also starring Keegan Allen, Molly Hagan, Mitch Pileggi, Odette Annable, Kale Culley, and Jeff Pierre. Ben Hernandez Bray directed the episode written by Casey Fisher (404). Original airdate 4/24/2024.