Jason Done (born 5 April 1973) is an English actor who appeared as Mordred in the 1998 TV miniseries Merlin, opposite Sam Neill. However he is best known for his role as Stephen Snow in ITV drama Where The Heart Is from 1999 to 2001 and Tom Clarkson in the BBC drama Waterloo Road from 2006 to 2013.

Where The Heart Is - Jason appeared as Stephen Snow in the ITV drama series Where The Heart Is, taking over the part in series 3 from William Ash, in 1999. Stephen Snow was the son of Peggy Snow (Pam Ferris) and Vic Snow (Tony Haygarth). Jason portrayed Stephen throughout series 3 & 4 & part of series 5, during which the character left the fictional town of Skelthwaite.