Career: Sewell made his film debut in 1991's Twenty-One and first appeared in the West End a year later in the play Making it Better, winning numerous plaudits. Other stage credits include Translations, Macbeth, Luther and Tom Stoppard's acclaimed Arcadia. His role in TV's Middlemarch made him a heart-throb in 1994. Since then, he's made regular appearances on the small and big screens in such productions as Dark City (1998), Martha Meet Frank, Daniel and Laurence (1998), Cold Comfort Farm and A Knight's Tale (2001). More recently, he played Dr Jacob Hood in Eleventh Hour, Tom Builder in The Pillars of the Earth and the lead role in Zen.

Career: After moving to London, MacAninch spent a year working in telesales jobs between auditions until he was cast in Edinburgh-set legal drama The Advocates. After making a number of guest appearances on TV shows, he landed recurring roles in Rockface, Sorted, HolbyBlue and Wild at Heart. More recently, he has starred in Downton Abbey, Silent Witness and Mr Selfridge.

Career: Walker landed the title role in the TV series Lorna Doone before making her feature debut in Shogun Warrior in 1991. In the same year she appeared in two other films, Les Equilibristes and Mike Newell's Enchanted April, in which she played an aristocrat eager to escape the attentions of her persistent admirers. She came to international attention as a single-minded member of an Irish terrorist splinter group in Phillip Noyce's Patriot Games (1992), and has worked steadily in both TV and cinema since, including a star turn in the miniseries State of Play. In 2005, she appeared in the first season of the HBO series Rome, playing Atia, the niece of Julius Caesar and mother of Octavian, later Caesar Augustus. More recent work includes roles in Waking the Dead, Miss Marple: At Bertram's Hotel, Numb3rs, Caprica, Sanctuary, Prisoners Wives, Clash of the Titans (2010), John Carter (2012), Warehouse 13 and Mr Selfridge.