Mark Vincent Letheren (born 6 February 1971)^[1] is an English actor.

He is known for his roles as journalist Simon Kitson in ITV's drama The Bill, as Ben Harding in the BBC One drama Casualty and for his recurring role as DS Kevin Geoffries in Wire in the Blood.

Letheren was born in Chelmsford, Essex. He attended Ardingly College and the Guildhall School of Music and Drama.^[1]

His large-screen debut was in the historical drama Restoration, with Robert Downey Jr. in 1995.

He has appeared in many television dramas, including Wire in the Blood, The Bill, Silent Witness, Casualty, Holby City, Waking The Dead, Heartbeat and A Touch of Frost.

He has also performed on stage many times throughout his career. He played Jamie in the world premiere of Jonathan Harvey's Beautiful Thing, starred in Mark Healey's adaptation of John Fowles' The Collector, and toured the US with the Royal Shakespeare Company, as Francis Flute in A Midsummer Night's Dream.^[1]

He played 'Bernie Dodd' in The Country Girl at the Apollo Theatre in 2010.^[1] He also played the 'Stalker' in The Bodyguard (musical) at the Adelphi Theatre, between 2012 and 2014.^[2]

In 2014, he appeared in Lotty's War (written by Giuliano Crispini and directed by Bruce Guthrie) at the Yvonne Arnaud Theatre, Guildford, before it began touring the UK.^[3][4]

Letheren previously lived in Bristol with his long-term partner, actress Georgia Taylor, whom he met on the set of the television series Casualty.^[5][2][6] The two of them split in 2022.^{[citation needed]}

• List of English actors

• Mark Letheren at IMDb
• Mark Letheren's official website