Career: Armstrong's screen debut came in the classic Michael Caine gangster movie Get Carter in 1971. Other early roles included parts in Whatever Happened to the Likely Lads?, Softly, Softly and The Sweeney. His many other TV roles include Austin Donaghue in Our Friends in the North, Detective Chief Inspector Frank Jefferson in In the Red, and George Mole in Adrian Mole: The Cappucino Years, alongside Alison Steadman. Film credits include The French Lieutenant's Woman (1981), Krull (1983), American Friends (1991), Patriot Games (1992) and Braveheart (1995). He has won countless accolades for his classic stage roles. He is currently best known for playing the role of Brian Lane in popular BBC series New Tricks, a part he played for 10 series.

Career: Redman first attracted attention in 1981 with her steamy film debut in Richard's Things. Roles proved sporadic in that decade, but her career took off in 1991 when she played Roberta in Spender, and Sally in The Men's Room. Bigger roles followed, such as Dr Joanna Stevens in Dangerfield in 1995. She hit the headlines in 1998, first with Close Relations which featured a ménage à trois, then as Diana Dors for glossy drama The Blonde Bombshell. Her small-screen success was consolidated with roles as a teacher in Hope and Glory and as lottery winner Alison in At Home with the Braithwaites - but she has also appeared in the films Sexy Beast (2000) and Mike Bassett: England Manager (2005). She starred in popular BBC drama New Tricks between 2003 and 2013. More recently, she starred in TV movie Tommy Cooper: Not Like That, Like This.

Career: At 16, Waterman returned to Britain and concentrated on stage work until an acclaimed performance in 1968's Up the Junction led to more film roles. Low-budget movies (such as Scars of Dracula) and TV shows (including Colditz) followed until, in 1974, he co-starred with John Thaw in Regan, the pilot episode of iconic series The Sweeney, which became a major TV hit. A 10-year stint in comedy drama Minder followed. Other projects include TV shows On the Up, Stay Lucky, and Circles of Deceit. He's also worked on the stage, most notably in Jeffrey Bernard is Unwell, and My Fair Lady. As Gerry Standing, in BBC drama New Tricks, he has introduced himself to a new generation of fans.

Career: Harker has had a number of TV roles. Among the characters she has played are Linda in The Fear, Mattie Storin in House of Cards, Joanna Franklyn in Chancer and Jane Bennet in Pride and Prejudice. She is also a voice actor, having played Sapphire in an audio version of Sapphire and Steel and Clare Keightley in the audio version of Doctor Who: Shada. Harker has appeared on the stage in such plays as Abigail's Party and The Vortex. In 2017, she appeared in TV series Grantchester.

Career: Walker 's big break came in 1997 when she began playing DI Susan Taylor in ITV thriller Touching Evil opposite Robson Green. She played the role in two sequels. In 1999, she was cast in the lead role in post-apocalyptic drama The Last Train. In 2003, she joined the cast of BBC spy drama Spooks as Ruth Evershed. More recently, Walker has starred in Torn, Oliver Twist, Luther, MI-5, Heading Out, Prisoners' Wives, Scott & Bailey and Last Tango in Halifax.