Julian Moore-Cook (born 26 March 1994) is an Irish-Canadian actor. Moore-Cook has had various roles in films, television programmes, and theatre.
Julian Moore-Cook was born in Sarnia, Ontario, Canada, to an African-American father and an Irish mother. The family relocated to Northern Ireland when he was 12 years old. He trained at the East 15 Acting School in Loughton.
Moore-Cook started his career with a role in the Hollywood blockbuster ' in addition to a TV role in the medical drama Casualty. He then had a role in '. His first major role was as the role of Callum in the tenth season of the ITV sitcom Benidorm. Moore-Cook had roles in the BBC's historic crime drama Peaky Blinders and Channel 4's teen sitcom Derry Girls. In 2022, he had a major role in the Amazon Studios sci-fi The Peripheral in the role of Ossian. From 2024 to 2025, he played the role of DCI Damien Marshall in the BBC's police drama Blue Lights.
In 2016, Moore-Cook played the role of Simon in Anton Chekhov's Three Sisters at the Lyric Theatre in Belfast. In 2022, he portrayed the role of Lelio in Pierre de Marivaux's The False Servant at the Orange Tree Theatre in London.
In 2024, Moore-Cook starred in the role of Padraig in Martin McDonagh's The Lieutenant of Inishmore at Everyman Theatre in Liverpool. In 2025, he had roles in Conversations After Sex at the Park Theatre in London and in Martin McDonagh's The Pillowman at the Gate Theatre in Dublin.