He is best known for playing the roles of Thick Kevin in The Boat That Rocked (2009), Bill Wiggins and Andy Apsted in the BBC One television series Sherlock and Bodyguard respectively, and Fiore in the AMC television series Preacher.

Brooke attended Alleyn's School in Dulwich, London, and Hull University.

Brooke played Bill Wiggins in series 3 of BBC's Sherlock, "Lame" Lothar Frey in season 3 of HBO's Game of Thrones,[2] and Fiore in AMC's Preacher.

The following year, he reprised the role in the play's first West End run at The Apollo and was soon after cast in the lead role of the National Theatre's revival of Arnold Wesker's The Kitchen to critical plaudits.

[citation needed] Brooke received the TMA Award for Best Supporting Actor for his performance in The Long and the Short and the Tall at the Sheffield Lyceum in 2006.