Kalungi Ssebandeke is a writer, actor and rapper based in London. He has written for the Young Vic, Bush Theatre and Talawa, amongst others. His plays include Prodigal (Orange Tree Theatre, Richmond, 2021, as part of the Inside/Outside season of short plays) and Assata Taught Me (Gate Theatre, London, 2017).

Donna-Michelle St. Bernard is a Canadian playwright, theatre director and arts administrator. Her work has been recognized with a Siminovitch Prize nomination, SATAward nomination, the Herman Voaden Playwriting Award, the Enbridge playRites Award, a Dora Mavor Moore Award for Outstanding New Play, and two nominations for the Governor General's Literary Award for Drama. She is the current artistic director of New Harlem Productions. She is based in Toronto.

Max Stafford-Clark is one of the UK's most influential theatre directors. He established Joint Stock in 1974, ran the Royal Court Theatre from 1979 to 1993, and then set up the extremely successful touring theatre company, Out of Joint, premiering plays from leading writers including April De Angelis, Sebastian Barry, Richard Bean, Alistair Beaton, Caryl Churchill, David Edgar, David Hare, Rebecca Lenkiewicz, Robin Soans and Timberlake Wertenbaker. He remained Out of Joint's Artistic Director until 2017.

Helen Stanley is Artistic Director of Lewisham Youth Theatre.

She trained as an actor and performed professionally in theatre and TIE, before turning to directing. Over the years, it became harder to find scripts that reflected the lives of the participants, so she began writing plays. She has written around fifteen plays for ages eight to twenty-five, mainly devised and written with young people. They include Space Girl, first performed by Lewisham Youth Theatre at the Broadway Theatre, London.

Beth Steel is an award-winning playwright and screenwriter. Her plays include: Till the Stars Come Down (National Theatre, 2023); The House of Shades (Almeida Theatre, 2022); and Wonderland (Hampstead Theatre, 2014).

Kameron Steele is an American actor, director and teacher. He leads the Suzuki Method of Actor Training Program in Toga.

Sam Steiner is a playwright and screenwriter from Manchester. His plays include: A Table Tennis Play (Walrus Theatre, Edinburgh Fringe, 2019); You Stupid Darkness! (Paines Plough & Theatre Royal Plymouth, 2019); Kanye the First (HighTide, 2017) and Lemons Lemons Lemons Lemons Lemons (Walrus Theatre, 2015; revived in the West End in 2023). He is a co-founder of Walrus, a new writing and touring theatre company.

Robert Louis Stevenson (1850–1894) was a Scottish novelist, poet, essayist, and travel writer. His most famous works are Treasure Island, Kidnapped, and Strange Case of Dr Jekyll and Mr Hyde.

Patrick Stewart is an English actor whose career on stage and screen spans almost six decades. He began his stage career with the Royal Shakespeare Company where he received an Olivier Award for his performance in Antony and Cleopatra (1979) in London's West End. His first major screen roles were on the BBC in the mid-late 1970s, including Hedda, and the I, Claudius miniseries. His role as Captain Jean-Luc Picard in Star Trek: The Next Generation made him a household name, and subsequently his performances as Professor Charles Xavier in the X-Men franchise have brought him international acclaim. In 2010, Stewart received an OBE for services to drama.