His credits include Boston Legal (2005), Rendition (2007), Dexter (2008), Crossing Over (2009), Lost (2010), The Middle (2010), Psych (2011), NCIS (2011), and Scorpion (2015), Into the Badlands (2015–2019), Runt (2019), Ms. Marvel (2022), and Centurion: The Dancing Stallion (2023).

Knight was born on October 3, 1999, in Los Angeles, California,[1] and grew up in Woodland Hills.

[1] Dexter (2008),[4] Lost (2010),[4] The Middle (2010),[4] Psych (2011),[4] NCIS (2011),[4] and Scorpion (2015),[5] His film roles have included and Rendition (2007), Crossing Over (2009),[6] Knight portrayed Bean, the best friend of main character Ender Wiggin, in the science fiction/fantasy film Ender's Game (2013).

[7][8] Knight has also done voice acting for multiple projects, including Shrek Forever After and Happy Feet Two.

[citation needed] Knight, along with other cast members, received several weeks of martial arts training for their roles.