AceShowbiz - Marshals expands the Yellowstone universe with a fresh story focusing on Kayce Dutton’s evolving journey. Since its March 2026 premiere, the series has been delivering new episodes weekly, showcasing a blend of intense drama and procedural storytelling as it follows Luke Grimes’ character stepping into his role as a U.S. Marshal in Montana.

The show skillfully combines familiar faces from the original Yellowstone series with new characters, all linked by military backgrounds, ties to Native American reservations, and high-stakes law enforcement experiences. This mix enriches the narrative with deeper cultural and personal layers.

In the episode titled “Zone of Death,” Kayce faces the challenges of his new life while a mission to prevent a domestic terror attack forces him to confront buried family secrets. As he navigates this tense operation, Kayce must also build trust with his fellow Marshals. This episode aired Sunday, March 8, from 8:00-9:00 PM ET/PT. The main cast featured in this storyline includes Ash Santos as Andrea, Logan Marshall-Green as Pete Calvin, Luke Grimes as Kayce Dutton, Arielle Kebbel as Belle, and Tatanka Means as Miles. The photo credit goes to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

With its first season currently airing and Season 2 already confirmed, here is an in-depth look at the key cast members driving the story forward in Marshals.

In the series premiere “Piya Wiconi,” Kayce reunites with a former SEAL teammate as they work together to track down a bomber threatening the Broken Rock Reservation. Their investigation leads to a dangerous confrontation with an armed anti-government militia. This episode premiered on Sunday, March 1, from 8:00-9:00 PM ET/PT. The promotional photo features Luke Grimes as Kayce Dutton, also credited to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Luke Grimes reprises his role as Kayce Dutton, the youngest son of the Dutton family who shifts from ranch life to becoming a U.S. Marshal. His character strives to uphold justice while balancing his deep family loyalties and Montana roots. Grimes is well-known for his extensive portrayal of Kayce on Yellowstone and his roles in films such as American Sniper and Fifty Shades of Grey.

Logan Marshall-Green plays Pete Calvin, Kayce’s former SEAL team leader who is now also a U.S. Marshal. He brings a disciplined military approach and tactical expertise to the team, grounding the procedural elements of the show. Marshall-Green has appeared in a variety of independent and genre films, including Quarantine, Upgrade, and The Invitation. He is pictured in the premiere episode “Piya Wiconi” and is credited to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Arielle Kebbel portrays Belle Skinner, a U.S. Marshal with a background in the ATF. Belle is described as “Martha Stewart in cowboy boots,” combining charm with a sharp, practical edge. Kebbel is a familiar presence on television and in films, with credits such as The Vampire Diaries, Gilmore Girls, and Ballers. She appears in the opening episode “Piya Wiconi,” with her image credited to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Ash Santos takes on the role of Andrea Cruz, a U.S. Marshal from the Bronx who now finds herself adapting to the unique challenges of Montana. Santos has experience in genre television and films, including Happy! and The Oath. Her character adds diversity and a fresh perspective to the Marshal unit. She is also featured in “Zone of Death,” with photo credit to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Tatanka Means plays Miles Kittle, a former reservation police officer who has joined the Marshals. His character offers cultural insight and a strong dedication to justice. Means is a Native American actor and activist known for his roles in The Son and The Harder They Fall. His involvement brings significant Indigenous representation and authenticity to the series. He appears in “Zone of Death,” with photography credited to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Brecken Merrill returns as Tate Dutton, Kayce’s teenage son. Tate’s presence adds emotional depth to Kayce’s progression from rancher to law enforcement officer. Merrill has been a part of the Yellowstone universe since the original series and continues to strengthen the family connection in the spinoff. He is shown in “Zone of Death,” with photo credit to Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

Marshals successfully extends the rich world of Yellowstone by focusing on law enforcement and the complex challenges faced by Kayce Dutton as he embraces a new career. The series interweaves personal history, family loyalty, and cultural ties with thrilling procedural cases, making it a compelling addition to the franchise.

With its strong ensemble cast that balances returning favorites and fresh faces, Marshals offers viewers an engaging blend of drama, action, and cultural storytelling set against the vast Montana landscape. As Season 1 continues and Season 2 is already confirmed, audiences can expect more intense, character-driven stories that explore justice, identity, and legacy within the Yellowstone universe.