Mark Stanley plays as DI Thom Youngblood in The Thief, His Wife and the Canoe.
Mark Stanley is the top #1 member of the cast and appears in 6 episodes.

Edward Maurice Charles Marsan (born 9 June 1968) is an English actor. He won the London Film Critics Circle Award and National Society of Film Critics Award for Best Supporting Actor for the film Happy-Go-Lucky in 2008. He has appeared in films such as Gangster No. 1 (2000), Ultimate Force (2002), V for Vendetta (2006), Mission: Impossible III (2006), Sixty Six (2006), Hancock (2008), Sherlock Holmes (2009), War Horse (2011), Sherlock Holmes: A Game of Shadows (2011), The Best of Men (2012), and The World's End (2013). He also appeared as Terry in Showtime's series Ray Donovan (2013–2020), and as Mr Norrell in the BBC drama Jonathan Strange & Mr Norrell (2015).

Eddie Marsan plays as Soly Malinovsky in The Thief, His Wife and the Canoe.
Eddie Marsan is the top #2 member of the cast and appears in 4 episodes.

Dominic Applewhite plays as Anthony Darwin in The Thief, His Wife and the Canoe.
Dominic Applewhite is the top #3 member of the cast and appears in 4 episodes.

Monica Dolan is a BAFTA and Olivier Award winning actor whose work spans television, film and stage. Monica was born in March 1969 into an Irish family and has a sister Gabrielle. She studied drama at the Guildhall School in London, graduating in 1991 and soon afterwards went into television. A supremely versatile character actress, she has tended to specialize in stunning portrayals of the darker side of life, as real-life stalker Maria Marchese in U Be Dead (2009), demure but deadly Miss Gilchrist in the superior Poirot adaptation Poirot: After the Funeral (2006) and, particularly, as serial killer Rosemary West in Appropriate Adult (2011) for which she, along with fellow Guildhall graduate Dominic West, deservedly received a BAFTA award.

Monica Dolan plays as Leonora Quine in The Thief, His Wife and the Canoe.
Monica Dolan is the top #4 member of the cast and appears in 2 episodes.