Joseph William Gilgun is an English actor and producer known for several roles, including that of Vinnie O'Neill in the Sky Max series Brassic, which he also co-created, Marcus in Hollyoaks, Eli Dingle in the ITV soap opera Emmerdale, Jamie Armstrong in the long-running ITV soap opera Coronation Street, Woody in the film This Is England (2006) and its subsequent spin-off series, and Rudy Wade in E4's Misfits. From 2016 to 2019, he starred in the AMC television adaptation of the Vertigo comic Preacher as the Irish vampire Cassidy.

Brassic is a British comedy-drama television series created by Joe Gilgun and Danny Brocklehurst for Sky One and became Sky's most successful comedy series in seven years. The series follows the lives of Vinnie O'Neill (Gilgun) and his friends in the fictional town of Hawley. Other primary cast members include Michelle Keegan, Damien Molony, Tom Hanson, Aaron Heffernan, Ryan Sampson, Parth Thakerar and Steve Evets.