Jessica Brown Findlay
Role: Lenina Crowne
Living in a world where monogamy is an essential part of the every day, when we meet Lenine, she is finding herself struggling to cast her mind further afield than her current squeeze Henry. She decides that a trip away to the Savage Lands will be the best practice for her to follow - but little does she know what awaits her.
What have I seen her in before: Jessica has been in countless productions that you might recognise her from. As well as playing Lady Sybil in 'Downton Abbey', she also played roles in 'Harlots', 'Misfits', and lent her voice to the 'Castlevania' TV series as Lenore.
Role: Bernard Marx
Barnard Marx works as a counsellor to Lenina, always keeping track of her every move. However, he is under severe pressure from management up above for his actions, and they force him to take a "holiday" outside of New London - whether he wants to or not.
What have I seen him in before: Harry has played one of the realm's most hated figures in fantasy TV - Viserys Targarean, brother to Daenerys in season one of 'Game of Thrones'. He also starred in a number of movies such as 'The Iron Lady' and 'The Theory of Everything', as well as playing Charles Xavier in TV series 'Legion'.
Role: John the Savage
Living on the Savage Land, John finds himself in the middle of a planned rebellion of the "savages" against the "outsiders" who come to visit the amusement park for their pleasure. With concern rising for his mother Linda (Demi Moore), will he be able to handle all of the pressure he finds himself in?
What have I seen him in before: You'll recognise Alden from another sci-fi series you might have heard of a few times in the past - 'Star Wars'. Alden of course played the title role of Han Solo in the franchise's standalone movie 'Solo: A Star Wars Story'. The actor has also appeared in 'Hail, Ceasar!' and 'Beautiful Creatures' in the past.
Role: Mustafa Mond
One of the big leaders in New London, it is the job of Mustafa Mond to be the World Controller of New London and ensure that everything is run as smoothly as possible.
What have I seen her in before: The question is, what hasn't Nina been in? You would have spotted the actress in various TV shows over the years, including 'Killing Eve', 'Women on the Verge', 'Strike Back', 'His Dark Materials', and 'Good Omens'. Most recently, she appeared in Sky Atlantic's 'Little Birds'.
Role: Wilhelmina Watson
A friend of Bernard's, and one extra special party planner, Wilhelmina is an over the top and eccentric character who radiates whenever her presence is on-screen.
What have I seen her in before: Netflix's hit thriller series from earlier this year 'The Stranger' saw Hannah play the mysterious hooded character. She also played the role of supervillain Ghost in Marvel's superhero sequel 'Ant-Man and the Wasp', and is known for her appearances in 'Black Mirror' and 'Game of Thrones'.
A former New London resident, Linda finds herself isolated in her and her son's house in the Savage Lands.
What have I seen her in before: Demi is back on our screens following a number of memorable roles in various iconic movies and TV shows in the past. From 'Ghost', 'Indecent Proposal', and 'G.I. Jane' to 'Striptease', this is Demi's first major TV role since her appearance in 'Empire'.