Jill Trevellick is the main casting director of “Downton Abbey.” As of 2015, she has cast 33 episodes of the award-winning British television series. Daniel Hubbard was the casting director of nine episodes in 2013.
Trevellick cast the original stars of “Downton Abbey,” including Dame Maggie Smith, Hugh Bonneville, Michelle Dockery and Dan Stevens. As of 2015, Trevellick has been nominated for five Primetime Emmy Awards for Outstanding Casting for a Drama Series for her work on "Downton Abbey."
Trevellick was the casting director for numerous British television series, including “Lovejoy” in 1993, “North Square” in 2000 and “The Musketeers” in 2014. She was nominated for a Primetime Emmy Award in 2013 for her work on the television series “The Hour.”