Linus William Roache (born 1 February 1964) is an English actor. He is known for playing Executive ADA Michael Cutter in the NBC dramas Law & Order (2008–10) and Law & Order: Special Victims Unit (2011–12). He was nominated for a Golden Globe Award for playing Robert F. Kennedy in RFK (2002) and won a Satellite Award for Best Supporting Actor (TV) for his role as Ralph Wigram in The Gathering Storm (2002). His other television roles include King Ecbert in the History Channel series Vikings (2014–17). His film appearances include Priest (1994), The Wings of the Dove (1997), Pandaemonium (2000), Batman Begins (2005) and Non-Stop (2014).
Roache was born in Manchester, England, the son of Coronation Street actor William Roache and actress Anna Cropper. Roache was educated at Bishop Luffa School in Chichester, West Sussex and at Rydal School. He studied Acting at the Central School of Speech and Drama. He married Rosalind Bennett in Malvern, Worcestershire, in 2002.