Cast of Fish Tank

Katie Jarvis plays the role of Mia Williams, a teenager living in a rough neighborhood with aspirations of a better life.

Michael Fassbender portrays Conor O'Reily, a charismatic man who becomes involved with Mia's family.

Kierston Wareing plays Joanne Williams, Mia's struggling single mother who struggles to maintain stability for her children.

Rebecca Griffiths takes on the role of Tyler Williams, Mia's younger sister who seeks her own identity.

Harry Treadaway plays Billy, a friend from the neighborhood who interacts with Mia.

Jason Maza plays Billy's Brother, a character involved in Billy's life.

Jack Gordon also portrays Billy's Brother, providing an additional layer to the narrative.

Joanna Horton plays Kelly, a character that connects with Mia in their shared environment.

Sarah Bayes takes on the role of Keeley, interacting with Mia and her friends.

Grant Wild plays Keeley's Dad, adding to the family dynamics within the story.

Sydney Mary Nash plays Keira, contributing to the film's exploration of youth.

Carrie-Ann Savill portrays Tyler's Friend, enhancing the social circle surrounding Mia.