He was best known for his television roles as Doug Hamilton in the soap opera Emmerdale, and as Captain/Major John Kieffer in the detective drama Foyle's War, in the episodes "Invasion" and "All Clear".

In 2013, he appeared opposite Steven Berkoff and Andree Bernard in the world premiere of the former's one act play An Actor's Lament at The Berkoff Performing Arts Centre at Alton College, followed by a second performance at The Sinden Theatre, Homewood School, Tenterden in Kent, two nights at The Maltings Theatre & Cinema in Berwick-upon-Tweed and then a three-week run at the Assembly Hall in Edinburgh as part of the Edinburgh Festival Fringe.

Other television appearances include Lilyhammer as Agent Becker, Queen Victoria's Men (Lord Melbourne), Sharpe's Honour (General Verigny), Bergerac (Martin Colley), Death Train (Halloran), Harnessing Peacocks (Eli Drew) and Only Love (Roger).

[2] Subsequent film appearances include The Dirty Dozen: Next Mission (Didier le Clair), Icon (Carey Jordan), The White Knight (Turkish Ambassador), The Russia House (Spikey), Saving Grace (the MC), Rewind and The Dark Knight Rises (Rich Twit).

In addition to English, he also spoke fluent French and Spanish, having spent parts of his childhood in both countries, and performed widely on the continent.

Benedict died at Croydon University Hospital on April 4, 2020, a week before his 69th birthday, due to complications arising from a COVID-19 infection during the pandemic in London.