Barantini starred as Steve Hart in the film Ned Kelly (2003) alongside Heath Ledger and Orlando Bloom.

His other film roles included Joey in The Escapist (2002), David in Hard Boiled Sweets (2012), and John Morgan in A Violent Man (2022).

Following the success of the 2019 kitchen drama, Barantini co-wrote a feature film, also titled Boiling Point (2021), with his regular writing partner James Cummings.

[8] The film was shot on location at Jones & Sons in Dalston, London, just days before the first lockdown was enforced in the United Kingdom.

[13] Barantini was given a role in the Liverpool-based TV drama The Responder, with Martin Freeman and was subsequently asked to direct the final episode.

[18] Barantini commenced filming the groundbreaking four-part series Adolescence in summer 2024,[19] directing all four episodes, which saw him reunite with long-term collaborator Stephen Graham.