Jack Deam (born Ian Deam; 29 June 1972) is an English actor. He used his grandfather's name for his stage name. His most notable performances have been as Marty Fisher in Channel 4 dramedy Shameless, DC Ken Blackstone in the ITV crime drama DCI Banks, and Inspector Mallory in the BBC detective series Father Brown.

Jack Deam
Ian Deam

(1972-06-29) 29 June 1972 (age 52)
Years active1989–present



In 1990, Deam appeared in the Granada TV soap opera Families, a show about two families, one from Cheshire, the other in Australia, notably alongside Jude Law.

In 1992, he appeared in a few episodes of Heartbeat as Alan Maskell and returned to the series in 2004 as Jake Clarke. He also appeared in the TV mini series The Life and Times of Henry Pratt. He played the lead role as older Henry Pratt, whilst little Henry Pratt was played by Andrew Nicholson and young Henry Pratt was played by Bryan Dick.

In 1993, he played Vinnie, a young soldier for the King's Fusiliers in the award-winning British drama Soldier Soldier. He later joined the cast of Clocking Off, written by Paul Abbott, playing Kev Leach from series 1-4.

In 1996, he briefly appeared as a policeman in Jimmy McGovern's one-off drama for ITV Hillsborough, based on the 1989 Hillsborough disaster.

In 1999, he appeared in an episode of Queer As Folk, as a Doctor Who-obsessed fan, and had a one-night stand with Vince, one of the protagonists, before taking the role of Toyah Battersby's (Georgia Taylor) rapist Phil Simmonds on the long-running ITV soap opera Coronation Street in 2000.

In 2004, Deam played Detective Sergeant Hanken in "In Pursuit of the Proper Sinner", an episode of The Inspector Lynley Mysteries

In January 2007, he took part in The Afternoon Play, a daytime BBC drama series consisting of short stories.

From 2010 to 2016, he played the part of a detective constable in the DCI Banks series.

He played Walter in the 2011 TV series 32 Brinkburn Street. 2014 saw Deam in a play called Blindsided, by Simon Stephens, at the Royal Exchange, Manchester, alongside ex-Coronation Street Julie Hesmondhalgh (Hayley Cropper).

He appeared in an episode of New Tricks as a suspect in a cold case enquiry.

Starting with its fourth series in 2016, Deam appeared as Inspector Mallory in BBC's Father Brown.

In December 2019, he appeared as Leonard Wooley in Agatha and the Curse of Ishtar, a fictionalized account of how Agatha Christie met Max Mallowan, who later became her second husband.

In September 2021, he appeared as Frank Johnson in Silent Witness on BBC One.


Year Title Role Notes
1989 ScreenPlay Robert Episode: "A Small Mourning"
1991 Casualty Lee Episode: "Humpty Dumpty"
1991 Let Him Have It Terry Stringer
1993 Screen One Richard Episode: "The Bullion Boys"
1995 The Young Poisoner's Handbook Mick
1995 Pie in the Sky Jez Leigh Episode: "Dead Right"
1997 Peak Practice Joey Cox Episode: "Classics"
1998 Where the Heart Is Sam Woodford Episode: "She Goes On"
1999 Heart Policeman
2000 Holby City Matt Trayling Episode: "The Real Thing[1]
2004 Dalziel and Pascoe Charlie Walker Episode: "Great Escapes"
2004 The Inspector Lynley Mysteries Detective Sergeant Hanken Episode: "In Pursuit of the Proper Sinner"
2004–2007, 2011–2013 Shameless Marty Fisher
2005 Silent Witness Carl Dawson Episode: "Ghosts"
2006 London to Brighton Paul Uncredited
2007 The Royal Sam Episode: "Laura"
2007 The Afternoon Play Chris Episode: "Come Fly With Me"
2007 Casualty Corporal Hobbs Episode: "Core Values"
2010 Casualty Danny Robertson Episode: "Past Lives"
2010–2016 DCI Banks DC Ken Blackstone 32 episodes
2014 Inspector George Gently Billy Shearer Episode: "Gently Going Under"
2015 Casualty Gary Bess Episode: "Dark Horses"
2015 New Tricks Terry Episode: "Lottery Curse"
2016–2022 Father Brown Inspector Mallory 64 episodes
2019 Agatha and the Curse of Ishtar Leonard Woolley
2021 Silent Witness Frank Johnson Episode: "Bad Love"
2022 Ridley Duncan Darwin Episode: "Swansong"
2023 Vera Robert Falstone Episode: "The Darkest Evening"