After studying literature and social work, Joseph Ponthus worked for over ten years as a social worker and special needs teacher in the suburbs of Paris. In 2012 he co-authored Nous... La Cite (The Suburbs are Ours). His most recent work is A la Ligne (On the Line). He lives and works in Brittany, France.
Sackville is a stage, film and television actor, as well as a voice artist. He graduated from the Webber Douglas Academy of Dramatic Art and went on to play leading and supporting roles in regional theatre, the West End, the National Theatre and with the Royal Shakespeare Company. Sackville has appeared on film and television in The Crown, Call the Midwife, Genius, The Secret of Crickley Hall, Midsomer Murders and Rosemary & Thyme. His more recent projects include Sky Atlantic's Lockerbie, ITV/Disney + Suspect and Truth & Conviction for Angel Films. Film includes The Wedding Date and The Lost City of Z. He has narrated over 150 audio books. Sackville also lends his voice to documentaries and computer games.