From 1994 onwards, Brocklebank has starred in various TV programmes such as Down to Earth, Born and Bred, Ed Stone is Dead, Casualty, The Bill and played Ivan Jones in ITV's Emmerdale between the beginning of 2005 to the end of 2006. Other TV credits include: The Crazy World of Captain Llama, Fair City, Doctors and Waterloo Road. Brocklebank's other films include: The Hole starring opposite Keira Knightley and Thora Birch, The Hours opposite Meryl Streep, Another Life opposite Imelda Staunton and Tom Wilkinson, Merlin opposite Sam Neill and Helena Bonham Carter, The Devil's Arithmetic opposite Kirsten Dunst and Brittany Murphy, produced by Dustin Hoffman and The Criminal with Eddie Izzard. Brocklebank has worked with the Royal Shakespeare Company in productions of As You Like It playing Silvius, Chiron inTitus Andronicus, Rowland in The Tamer Tamed and Ralph in Lord of the Flies. His other theatre credits include: Martin Von Heilmann in The Curse of the Werewolf at London's Union Theatre, John Rutherford in Rutherford and Son at Manchester's Royal Exchange, and John Honyman in Cressida, directed by Nicholas Hytner for the Almeida Theatre in London's West End. Amongst other projects in 2008, Brocklebank starred in One Night In November, a new play by Alan Pollock directed by Hamish Glenn at the Belgrade Theatre, and in Big Love at the Abbey Theatre, Dublin, directed by Selina Cartmell. In 2009, Brocklebank played Brother Jasper and Kaisa in His Dark Materials, a co-production between the Birmingham Rep and the West Yorkshire Playhouse directed by Rachel Kavanaugh and Sarah Esdaile. In 2009 Brocklebank completed filming Release, a British feature film, written by Christian Martin and Darren Flaxstone of FAQ's LTD in which he plays the lead role of Father Jack Gillie. In 2010, Brocklebank starred in one of three new dark tales Little Deaths directed by Andrew Parkinson, whose previous projects include I, Zombie, Dead Creatures and Venus Drowning. He also completed Age of Heroes, in which he plays Sergeant Hamilton, a small role, opposite Danny Dyer and Sean Bean. In December 2014, Brocklebank joined the cast of Coronation Street, as Billy Mayhew, the new vicar at Emily Bishop's parish, St. Mary's and began dating barman Sean Tully. He appears as Carl Saunders in the second and third series of the BBC's WPC 56. Brocklebank has played roles in other films such as Admiral, a movie where he plays opposite Charles Dance; Soft Lad, a movie written and directed by Leon Lopez; and Native, playing opposite Rupert Graves and Ellie Kendrick.
Selected filmography
Television
The Bill Series 13 Episode 1
Merlin Hallmark
The Devil's Arithmetic Showtime
Fair City RTÉ
EastEnders BBC1
Casualty BBC1
Coronation Street ITV
WPC 56 BBC1
Midsomer Murders episode 17.3 "The Ballad of Midsomer County"