Christopher James Baker

Christopher James Baker is an Australian actor whose best-known role is Henry King Sr., also known as Brainwave, in the DC series Stargirl. Raised in Australia, he trained in a three-year drama course in Sydney and began his career in theater, helping to found the stage company Urban Tales and performing in over 14 seasons of productions. He also belonged to Nick Enright's State of Play. His early screen appearances included Kangaroo Jack (2003), Kokoda (2006), The Condemned (2007), Nim's Island (2008), and Sanctum (2011). After moving to the United States, he took Off-Broadway parts and roles in Deliverance Creek (2014), True Detective, and Shades of Blue. He played Boyd Langmore in Ozark and Malachi in Agents of S.H.I.E.L.D., and later appeared in The Purge: Election Year (2016), The Duel (2016), Eden, New Gold Mountain, Boy Swallows Universe, Prosper, and Unit 234 (2024).