Benedict was born in Sydney, Australia, to Maree and Clifford Samuel. The youngest of three siblings, his brother is actor Xavier Samuel and his sister, Bridget Samuel, the eldest, is a stage manager.
Upon graduating from the prestigious National Institute of Dramatic Art in 2009, he was immediately cast in several prominent Australian TV shows.
- Paper Giants: the Birth of Cleo
- Home and Away
- Underground: the Julian Assage Story
- The Shed
- The Little House
- The Stanford Prison Experiment
- By Way of Helena