Joshua Helman (born 22 February 1986) is an Australian actor. He portrayed Slit in the action film ' (2015), William Stryker in the superhero film ' (2014) and its sequel ' (2016), and Scabrous Scrotus in the action film ' (2024). He has also appeared in several television series, as well as the films Jack Reacher (2012), Monster Hunter (2020), and Thirteen Lives (2022).
Helman started acting when he got a recurring role on the Australian television show Home and Away in 2007, playing Denni Maitland. He then got a small role in a short film Aidan's View where he played the role of an intruder trying to break into the house of the protagonist. A few years later, he was cast as Cpl. Lew "Chuckler" Juergens in the American television show, The Pacific. He appeared in six episodes. He was then signed on by American talent agency The Gersh Agency. He made his major studio motion picture debut in 2012 when he was cast as Jeb Oliver in Jack Reacher. He returned to Australia and was cast in Blinder, a film based on Australian rules football drama. In 2011, Helman acted in the original production of Small Engine Repair at Theatre Theater in Los Angeles. He also starred in its film adaptation released in 2021.
He co-starred in the ensemble Marvel Comics film, ', as William Stryker—shown, through footage, to be the younger/1973 version of the Stryker played by Brian Cox in X2 (2003), ignoring the younger/1973/1979 version of Stryker played by Danny Huston in ' (2009). He later played Slit, alongside two-time fellow X-Men actor Nicholas Hoult, in the Mad Max sequel ' (2015). In 2016, he had a main role in season two of the television series Wayward Pines, while in 2024, he played Scabrous Scrotus, son of Immortan Joe, in the Mad Max prequel '.
On 17 February 2025, Helman was named in the Stan Australia series Watching You.
By January 2026, he was cast in the horror film Evil Dead Wrath from director Francis Galluppi.