Benjamin trained on the three year BA in acting at East 15. Since graduating he has played leading roles at the Royal Exchange and in the West End. He has also worked with various regional producing houses throughout the UK and toured nationally playing the title role in Entertaining Mr Sloane, Mick in The Caretaker, The Prince in Marivaux's The Double Inconstancy, Paolo in the Caravaggio inspired Caught, Tony in the 30th anniversary production of Abigail’s Party and Stephen in the premiere of Michael Frayn's award winning Spies. Benjamin has worked on the BBC drama series Down To Earth, played Susanna York's son in Jigsaw  and recently filmed He's Got His Own Reactor.

This year Benjamin played Willi Hilfe in the national tour of Graham Greene's Ministry of Fear (a Theatre Alibi, Exeter Northcott & Oxford Playhouse co-production). His film Fractions of Hell starts screening from 4th June 2010.