Cast Credits Proof (2004) Guest starring as Dr Declan (3 episodes) Episode 1x03: Episode 3 (Jan 19, 2004) Episode 1x02: Episode 2 (Jan 12, 2004) Episode 1x01: Episode 1 (Jan 5, 2004) The Clinic (2003) Guest starring as Mr. Winston Episode 2x05: Episode 5 (Nov 14, 2004)