Career: Jones' TV credits include Cadfael, Midsomer Murders, The Last Detective, Doctor Who, Poirot and the miniseries Titanic. On the big screen, the in-demand actor has starred in Infamous (2006), St Trinian's (2007), Frost/Nixon (2008), W (2008), Captain America: The First Avenger (2011), Tinker Tailor Soldier Spy (2011), My Week with Marilyn (2011), The Hunger Games films, Captain America: The Winter Soldier (2014) and Serena (2014). More recently, he has starred on TV in Agent Carter, Wayward Pines, Capital, Detectorists and The Secret Agent. He plays Captain Mainwaring in Dad's Army (2016). He was nominated for a Golden Globe for his portrayal of Alfred Hitchcock in the TV movie The Girl.

Career: Hawkins made guest appearances in TV shows Casualty and Doctors but her first break in front of the camera came in Mike Leigh's film All or Nothing (2002). Since then, she has starred in Vera Drake (2004), Layer Cake (2004), The Painted Veil (2006) and Cassandra's Dream (2007). She won a number of awards, including a Golden Globe, for her portrayal of Poppy Cross in Happy-Go-Lucky (2008). Her other film credits include An Education (2009), Never Let Me Go (2010), Made in Dagenham (2010), Submarine (2010), Blue Jasmine (2013) and Godzilla (2014).

Career: In 2003, Wiig made her TV debut in The Joe Schmo Show, a spoof of reality TV. Her big break came in 2005 when she joined Saturday Night Live (SNL). She quit the show in 2012 although she has since returned as a host. During her time on SNL, she also appeared on the big screen in Knocked Up, Ghost Town, Adventureland, Date Night and Paul. Her movie breakthrough came in 2011 when she co-wrote and starred in the hugely popular Bridesmaids. She has also voiced characters in Ice Age: Dawn of the Dinosaurs, How to Train Your Dragon and its 2014 sequel, and the Despicable Me films in two different roles.

Career: Smith rose to prominence on stage during the 1950s thanks to regular West End roles. Her first film, 1956's Child in the House, didn't set the box office alight, but she eventually gained international acclaim thanks to her role in Othello nine years later. She won an Oscar for 1969's The Prime of Miss Jean Brodie and has since appeared in such acclaimed productions as California Suite (for which she picked up another Academy Award), A Room with a View, and Gosford Park. She became a Dame of the British Empire in 1990. More recently, Smith gained a new fan base thanks to her role as Professor Minerva McGonagall in the Harry Potter movies, appeared in the films Ladies in Lavender and Keeping Mum, and TV series Downton Abbey. She has also battled breast cancer.