John David Hannah (born 23 April 1962) is a Scottish film and television actor. He came to prominence in Four Weddings and a Funeral (1994), for which he was nominated for the BAFTA Award for Best Actor in a Supporting Role as Matthew. His other film appearances include Sliding Doors (1998) and The Mummy trilogy (1999–2008). His television roles include: Dr Iain McCallum in McCallum (1995–1998); D.I. John Rebus in Rebus (2000–2001); Jack Roper in New Street Law (2006–2007); Jake Osbourne in Cold Blood (2007–2008), Quintus Lentulus Batiatus in Spartacus (2010–2011), Jack Cloth in A Touch of Cloth (2012–14), Jason's father (Aeson) in the BBC series Atlantis (2013–15), Dr Holden Radcliffe in Agents of S.H.I.E.L.D. (2016–2017), Colin in Overboard (2018), and Archie Wilson in the BBC series Trust Me.

Early life
Hannah was born in East Kilbride in Lanarkshire, the youngest of three children; he has two older sisters. His mother, Susan, was a cleaner at Marks & Spencer, and his father, John, a toolmaker. He attended Heathery Knowe Primary School then Claremont High School in East Kilbride and went on to an apprenticeship as an electrician. In East Kilbride, he participated in the East Kilbride Rep Theatre Club. At the suggestion of a colleague, after completing his apprenticeship he then attended the prestigious Royal Scottish Academy of Music and Drama.