Cast Credits Parade's End (2012) Guest starring as Army Groom Episode 1x04: Episode 4 (Sep 14, 2012) A Touch of Frost (1992) Guest starring as Nick Walder Episode 3x02: Quarry (Jan 15, 1995) Casualty (1986) Guest starring as Rory Miller Episode 9x01: Blood's Thicker (Sep 17, 1994)