His first audition was for the title role in Captain America: The First Avenger (2011), but the role was given to Chris Evans, although he joins the Marvel Cinematic Universe as John Walker/Captain America in The Falcon and the Winter Soldier (2021).

Worked with his father Kurt Russell in Escape from L.A. (1996) and Soldier (1998).

Was named after lawman Wyatt Earp, a character portrayed by his dad Kurt Russell in Tombstone (1993). His grandfather Bing Russell had a small role in Gunfight at the O.K. Corral (1957) in which Wyatt Earp was also played by Burt Lancaster.

An avid hockey player.

September 2002 - played hockey for the Junior B Richmond Sockeyes, Richmond, British Columbia. January 2005 - goalie for the BCHL's Coquitlam Express (N°. 29). October 2005 - backup goalie for the Chicago Steel of the USHL. November 2009 - Groningen Grizzlies in the Netherlands. Drafted in the supplemental by the Des Moines Buccaneers of the USHL.

When Russell (described as an 'aggressive, stand-up goaltender with a strong skating stride') reported for the WHL's Prince George (British Columbia, Canada, August, 2002) Cougars' training camp, he arrived in his parents' private jet. The family moved into a $4-million Vancouver mansion 1 July. Oddly, the team's press releases have not mentioned Russell at all.

His maternal grandmother's family was Hungarian Jewish. His other ancestry is English, German, Scottish, and Irish.