Edoardo Erba is an Italian playwright, screenwriter, novelist, stage director and university professor (Pavia University, National Academy Silvio D'Amico and Belle Arti University of Rome). He studied at Piccolo Teatro in Milan and at Pavia University. His plays have been performed at Italian festivals (including Venice Biennale, Taormina Film Fest, Montepulciano and Todi Festival) and in Italy's most renowned theaters. Erba has won the most prestigious awards for Italian dramaturgy (Olimpici del Teatro, Riccione, Idi, Candoni and Salerno) and the Robinson Award for his first novel Ami. Marathon, his most famous and successful work, has been translated in 17 languages. The script won the Candoni Award in 1992 and was then represented for the first time in Parma in 1993. After that, the play was staged in London (translation by Colin Teevan), Edinburgh, Wellington (NZ), Sydney, Boston (translation by Israel Horowitz), Barcelona, Buenos Aires, Rio De Janeiro, Zagreb, Sofia, Tel-Aviv, Mumbai, Hong Kong and Tokyo. Erba's play Utoya premiered in the UK at London's Arcola Theatre in August 2024.

Marco Young is a London-based graduate of Bristol Old Vic Theatre School. His theatre credits include My Cousin Rachel for Bath Theatre Royal, Romeo and Juliet and Macbeth for Guildford Shakespeare Company, The Stranger on the Bridge at Tobacco Factory and Salisbury Playhouse, and roles at Theatre503 and The Kings Head. He is originally from Cambridge, and is half-Scottish and half-Italian - in which he is fluent.