John Hannah (born 23 April 1962) is a Scottish film and television actor. He came to prominence in Richard Curtis's Four Weddings and a Funeral, for which he was nominated for the BAFTA Award for Best Actor in a Supporting Role. His other film appearances include Sliding Doors and The Mummy trilogy. 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 Osborne in Cold Blood (2007-2008), Quintus Lentulus Batiatus in Spartacus (2010-2011), Jack Cloth in A Touch of Cloth (2012-2014), Jason's father in Atlantis (2013-2015) and Dr Holden Ratcliffe in Agents of S.H.I.E.L.D. (2016-2017).