Career: Wanamaker spent 25 years with the RSC and National Theatre, and continues to appear on stage. She made her TV debut in 1975 in Jennie: Lady Randolph Churchill. Her most memorable work has come on the small screen in projects such as Edge of Darkness, the first episode of Prime Suspect, A Dance to the Music of Time, Love Hurts, My Family, David Copperfield, Gormenghast and Doctor Who; she also has a recurring role as Ariadne Oliver in Agatha Christie's Poirot. Films include Harry Potter and the Philosopher's Stone and Wilde.

Career: Glenister's first professional role was as Mercutio in Romeo and Juliet at the Lyceum, Edinburgh. He went on to star in Jonathan Harvey's acclaimed play Beautiful Thing at the Bush Theatre in London. On TV, Glenister honed his craft in Minder, Love Hurts, True Love, The Perfect Blue and Sharpe. However, it was roles in Clocking Off, The Hunt, State of Play and Island at War that boosted his profile. On the big screen he has appeared in ID, Calendar Girls, Kingdom of Heaven and Bel Ami. Award-winning BBC drama Life on Mars and its follow-up Ashes to Ashes turned him into a cult hero. He has also starred in the film Tuesday, and on TV in Cranford, Demons, Big School and Mad Dogs. He hosts the series For the Love of Cars.

Career: Haywood's TV career extends back to the 1980s, starting with a guest appearance in Brush Strokes. She later appeared in The One Game as Jenny Thorne. From 1991 to 1997, she played Helen Brittas in comedy series The Brittas Empire. She also voiced Mrs Kitchen in children's TV series Budgie the Little Helicopter from 1994 until 1996. Haywood then landed guest roles in such shows as Jonathan Creek, Goodnight Sweetheart, Holby City and My Family. She also had roles in Dalziel and Pascoe, Green Wing and Fear, Stress and Anger. Her film credits include If Only (2004), Tamara Drewe (2010) and Pride and Prejudice and Zombies (2016). She also starred in BBC drama series Prisoners' Wives. Her recent TV credits include Scott & Bailey, Brief Encounters, Midsomer Murders and Loaded.

Career: In 1999, McArdle joined the Royal Shakespeare Company, making a splash in such plays as A Midsummer Night's Dream, Othello, and Antony and Cleopatra. He made his TV debut in a 2002 episode of Casualty and had a regular role in the series Any Time Now. Two years later he appeared in his first film, Ella Enchanted (2004), but it was his performance as Dudley Moore in TV movie Not Only But Always that made people sit up and take notice. He's since featured in Marple, Jane Eyre, the Perfect Day trilogy, Beautiful People, Garrow's Law, Mr Selfridge, The Mill, Clean Break and The Fall.