Barry Keoghan revealed that his unique bond with his 2-year-old son Brando made it challenging to rely on personal experience when preparing for his role as a father in his new film, Bird. The Saltburn star welcomed Brando with former girlfriend Alyson Kierans in August 2022. Though the couple parted ways shortly after their son’s birth, Barry remains involved in Brando’s life despite his busy acting career. Discussing his son, the actor admitted their relationship isn’t typical. He told Entertainment Weekly, “I’ll just say this — I didn’t have a father figure growing up, so even my relationsh…