Robert Kazinsky is an English actor. He was born Robert John Appleby in Haywards Heath, Sussex, England on 18 November 1983. He adopted his grandfather's surname "Kazinsky" when he began his acting career.
He is known for his roles as Casper Rose in the Sky One drama Dream Team (2005–2006) and Sean Slater in the BBC soap opera EastEnders (2006–2009, 2019, 2021–2022). In 2013, he portrayed Chuck Hansen in Pacific Rim and Macklyn Warlow in the sixth season of HBO's True Blood. In 2016, he played Orgrim Doomhammer in Warcraft and Jimmy Pritchard in the Fox television series Second Chance. In 2019, he appeared as the Don in Captain Marvel.