David Harrower Creator, Writer, Executive Producer Colin Firth Jim Swire Actor Catherine McCormack Jane Swire Actor Sam Troughton Murray Guthrie Actor Jemma Carlton Cathy Swire Actor Harry Redding William Swire Actor Claire Brown Ellen Walker Actor Otto Bathurst Director, Executive Producer Colin Wratten Producer Gareth Neame Executive Producer Nigel Marchant Executive Producer Sam Hoyle Executive Producer Liz Trubridge Executive Producer Jim Sheridan Executive Producer Kirsten Sheridan Executive Producer Oskar Slingerland Executive Producer Ashley Rowe Cinematographer