The second season of Marshals wasted no time plunging Kayce Dutton into a harrowing ordeal as he raced to rescue his son, Tate, from the clutches of Tom Weaver. This desperate mission culminated in a violent showdown, resulting in the tragic death of Dolly Weaver, a character with whom Kayce had a nascent romantic connection.

Speaking to Collider, Grimes highlighted the profound impact of Tate's kidnapping on Kayce. "If you think about it, there's really no higher stakes possible for Kayce at this point in his life," Grimes explained, noting that the incident pushed his character from "zero to 100" instantly, determined to prevent a repeat of past nightmares. The actor also reflected on Dolly Weaver's fate, acknowledging the ambiguity around her true awareness of her father's nefarious plans, and Kayce's deliberate decision to let Tom live with the unbearable guilt of her death.

Looking ahead, a significant arc for Kayce in Season 2 revolves around his commitment to being a better father to Tate. Grimes detailed the complexities of this journey, especially as Tate approaches adulthood and defines his own path. "Trying to repair years of trauma while also trying to have a father-son relationship without the matriarch is very complicated," Grimes shared, hinting at the difficulties both characters will face in finding common ground.

Beyond the emotional intensity, the premiere also demanded physical prowess from Grimes, particularly during a challenging river fight scene. He described it as the most difficult to shoot, citing the frigid snowmelt water and the inherent difficulty of wrestling in such conditions. Despite the action, Grimes cherishes the quieter moments on horseback, viewing them as a vital contrast to the show's high-octane sequences. He noted that the "West and the beauty and the quiet" served as a main character in Yellowstone, a legacy Marshals continues to embrace, providing a welcome "offset" from the constant tension.

While the possibility of romance for Kayce, perhaps with team member Andrea Cruz, was broached, Grimes suggested that Kayce is a character who lets his heart lead, unlikely to force a relationship for convenience. He also humorously admitted to feeling "awkward" as an actor when Kayce is placed in lighter, social settings, given his character's history of intense, solitary experiences. Grimes lauded showrunner Spencer Hudnut's ability to craft compelling narratives for the expanded 20-episode season, assuring fans that "Nothing feels recycled" and that the show maintains its high quality and relentless pace throughout.