Gilgun is a british actor. He was born to mother Judith and father Andrew. He attended Rivington VA Primary School and Southlands High School. He also trained at the Laine Johnson Theatre School and the Oldham Theatre Workshop. He has both dyslexia and ADHD, which he describes as the ``biggest pain of (his) life`` and in interviews he has openly discussed about depression and anxiety.He started drama workshops at the age of eight, following advice from an educational psychologist, and was described as having ``exceptional talent``.He is known for movies like Emmerdale (1972),This Is England (2006) and Lockout (2012).He will now be seen in his upcoming movie The Last Witch Hunter which is set to release in October 2015.