Khalid Laith is originally from Bahrain but trained as an actor at the Central School of Speech and Drama in London. Next to his acting work, he works as a translator, edits short films and composes music.

Tabby Lamb is a non-binary writer and performer. Their shows include: Happy Meal (Roots & Theatre Royal Plymouth tour, 2022); and Since U Been Gone, (Edinburgh Fringe Festival, 2019).

Alongside their passion for writing, Tabby is a facilitator and runs creative arts projects for people from the LGBTQ+ community. They also founded Theatre Queers, and is an advocate for Trans Rights.

David Lan is a South African-born British playwright and theatre director. He has been Artistic Director of the Young Vic theatre in London since 2000.

Tina Landau is a noted director and playwright. Her musical Floyd Collins (with composer Adam Guettel) won an OBIE and the Lucille Lortel Award for Best Musical. She joined Steppenwolf in Chicago in 1997.

Harriet Lane is a British writer, author of the novels Alys, Always and Her.

Oliver Lansley writes for theatre, film and television. His plays have been seen at the Pleasance, Gilded Balloon and Assembly Rooms in Edinburgh, and at the Lyric Hammersmith and Charing Cross Theatre, amongst others.

Robert Edward 'Bob' Larbey (1934–2014) was a writer best known for his work with John Esmonde. Esmonde and Larbey were the British television comedy scriptwriting partnership behind popular sitcoms during the 1970s and the 1980s such as Please Sir!, The Good Life, Get Some In!, Ever Decreasing Circles, and Brush Strokes.

Stephen Laughton is a playwright whose work includes: One Jewish Boy (Old Red Lion, London, 2018; Trafalgar Studios, West End, 2020); Run (VAULT Festival, London, 2016; The Bunker, London, 2017); Nine (part of the PlayWROUGHT#3 Festival at the Arcola Theatre, 2015); and Marina Abramovic is Staring at Me (Terra Firma Theatre's 2011–12 Boxcar Reading Series at the Railroad Playhouse in Newburgh, New York, then Cell Theatre, Manhattan).

His work for television includes Forward (Blacklisted Films) and Black Hill (Lime Pictures).

He is currently the Writer in Residence in the Astrophysics team at the American Museum of Natural History in New York.