Cayden Wyatt Costner: Kevin Costner’s Son in the Spotlight

Cayden Wyatt Costner has grown up in one of Hollywood’s most recognizable families as the son of Kevin Costner, the celebrated Yellowstone actor and Dances With Wolves star.

While Cayden Wyatt Costner is still a teenager, he has already made memorable appearances alongside his father at major film festivals and even stepped in front of the camera himself in one of his dad’s biggest projects.

This article covers what is genuinely documented about Cayden Wyatt Costner, his family, and his early steps into the world his father has spent decades shaping.

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Who Is Cayden Wyatt Costner?

Cayden Wyatt Costner was born on May 6, 2007, in Los Angeles, making him the fifth of Kevin Costner’s seven children overall. Kevin Costner has spoken openly about fatherhood being the most important role he has held, once telling PEOPLE that his children remain the “anchor” of his life.

Cayden Wyatt Costner is the son of Kevin Costner and his second wife, designer Christine Baumgartner, whom Kevin married in September 2004. Kevin Costner’s other children include Annie Costner.

Lily Costner, and Joe Costner from his first marriage to Cindy Silva, Liam Costner from a relationship with Bridget Rooney, and Cayden Wyatt Costner’s younger full siblings, Hayes Logan Costner and Grace Avery Costner.

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Cayden Wyatt Costner’s Birth and Early Childhood

When Cayden Wyatt Costner was born, Kevin Costner was 52 years old and admitted to PEOPLE that he had real concerns about becoming a father again later in life, saying he hoped to have as much energy for Cayden as he’d had for his older children.

He spoke about wanting to be present enough to coach Cayden and guide him through life, even joking that being an older parent meant he could “fake like I’m asleep longer” to avoid extra diaper duty.

Even as a one-year-old, Cayden Wyatt Costner showed early signs of a musical interest, with Kevin Costner sharing that his son had small guitars of his own and would sit on his father’s knee while he worked on rough music tracks, noting that Cayden “likes a good beat.”

Around this same time, Kevin and Christine Baumgartner began preparing Cayden Wyatt Costner to become a big brother ahead of the arrival of his sibling Hayes, showing him the bassinet where the new baby would sleep.

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Cayden Wyatt Costner’s Family Life

Cayden Wyatt Costner has grown up as part of a large, blended family that includes half-siblings from both of Kevin Costner’s earlier relationships. Though it’s rare to see all seven Costner children together at once, they have consistently shown up to support their father.

In June 2024, five of Kevin Costner’s children — Hayes, Grace, Cayden, Joe, and Annie — joined him on the red carpet for the Los Angeles premiere of Horizon: An American Saga. 👉 Read More: Gennera Banks

Kevin Costner has also shared glimpses of family life on social media, including a Thanksgiving gathering with six of his children at the beach, where he posted a heartfelt message on Instagram about the special memories he’d made with his kids that year.

Cayden Wyatt Costner’s older half-sister Annie Costner, born April 15, 1984, transitioned from acting — appearing alongside her father in Dances With Wolves — into producing, co-founding Sound Off Films in 2014 and producing projects including Katy Perry’s Witness Tour documentary.

Annie married Dr. Danny Cox at Kevin’s private Carpinteria, California estate in July 2016.

Another half-sister, Lily Costner, born August 4, 1986, is a singer and songwriter who has performed with Kevin Costner’s band, Kevin Costner & Modern West, including a duet on the song “Heaven’s Gate” from the album Tales from Yellowstone. 👉 Read More: Elizabeth Huberdeau

Half-brother Joe Costner, born January 31, 1988, now works behind the scenes as an audio engineer and production sound mixer after graduating from Boulder.

Cayden Wyatt Costner and His Younger Siblings

Cayden Wyatt Costner shares a particularly close bond with his younger full siblings, Hayes Logan Costner (born February 12, 2009) and Grace Avery Costner (born June 2, 2010).

As children, Cayden and Hayes were often seen together at Kevin Costner’s movie premieres and family outings, including a Los Angeles Lakers versus Miami Heat basketball game in December 2018.

Kevin Costner has spoken about the chaos of ferrying his younger children between Little League practices, joking that Hayes often had to play alongside older kids just so the family schedule could work.

Grace Avery Costner, unlike her sports-oriented brothers, has been described by her father as more of a “girly girl,” with interests in sewing and dancing rather than athletics, though he’s noted she still gravitates toward joining in when a ball comes out in the backyard.

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Cayden Wyatt Costner at Cannes and Venice Film Festivals

Cayden Wyatt Costner has become a familiar presence at major international film festivals supporting his father’s directorial work on the Horizon franchise.

He joined four of his siblings at the Cannes Film Festival, standing alongside Annie, Lily, Grace, and Hayes as Kevin Costner received an 11-minute standing ovation for the first installment of Horizon: An American Saga.

Kevin later told Dax Shepard how emotional the moment was, recalling that his children — including two sons in tuxedos and three young daughters dressed up — witnessed him become visibly emotional in a way they hadn’t seen before. 👉 Read More: Kerri Browitt Caviezel

At age 17, Cayden Wyatt Costner accompanied his father to the Venice International Film Festival for the premiere of the second Horizon installment, which Kevin Costner both wrote and directed.

Photos from the red carpet showed Cayden Wyatt Costner towering over his father — notable given that Kevin Costner stands 6’1″ tall.

The two were noted for their striking resemblance, sharing similarly sun-bleached hair, with Cayden wearing a tan suit and a black top paired with Ray-Ban style sunglasses reminiscent of his father’s own look.

While Kevin wore a tailored charcoal suit. The two embraced on the red carpet, a moment that reflected the ongoing support Cayden Wyatt Costner has shown his father throughout the Horizon film series.

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Cayden Wyatt Costner’s Acting Debut in Horizon

Cayden Wyatt Costner played a role in the first installment of Horizon: An American Saga, portraying the character Nathaniel Kittredge. This marked a meaningful step for the teenager, appearing on screen in one of his father’s most personal and ambitious directorial projects.

His younger brother Hayes Logan Costner also appeared in the Horizon films, and Kevin Costner has been candid about deliberately casting his children in his work partly so he could spend more time with them on set.

Hayes spoke to Entertainment Tonight about the experience of working alongside his father, calling it “awesome” and describing how he got to spend entire days watching his father work, calling the experience “amazing.”

Kevin Costner has admitted he could be tough on his inexperienced young actors on set, but expressed real pride in watching his children grow into their roles, saying of Hayes specifically that he began doing things “that were just magical.”

My Final Thoughts:

Cayden Wyatt Costner is still relatively early in his own personal journey.

But he has already experienced life alongside one of Hollywood’s most enduring stars — from childhood moments learning guitar on his father’s knee, to standing on red carpets at Cannes and Venice, to stepping into an acting role in Horizon: An American Saga himself.

As Kevin Costner continues expanding the Horizon saga and involving his family in the process, Cayden Wyatt Costner’s presence, both on screen and by his father’s side, continues to reflect the close, supportive bond that defines the Costner family.

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