He acted in Aleksei Arbuzov's play, "The Promise," at the Belgrade Theatre in Coventry, Midlands, England with Tina Packer and Paul Moriarty in the cast.
One of Britain's most prolific radio actors, Sean Barrett has been better known for his voice rather than his face, often being employed for narration jobs on documentaries, for voice-overs in commercials and for dubbing continental actors in English versions of foreign films.