Character Name : Michael O'Hara

Original Name : Colin Morgan

Gender : Male

Character Name : Tempest

Original Name : Aml Ameen

Gender : Male

Character Name : Holland

Original Name : Mark Strong

Gender : Male

Character Name : Catherine

Original Name : Felicity Jones

Gender : Female

Character Name : Ruth

Original Name : Sophia Brown

Gender : Female

Character Name : Keenan

Original Name : Tom Vaughan-Lawlor

Gender : Male

Character Name : Woodville

Original Name : Will Keen

Gender : Male

Character Name : Carol

Original Name : Mairéad Tyers

Gender : Female

Character Name : Twomey

Original Name : Dara Devaney

Gender : Male

Character Name : Fiadh

Original Name : Andrea Irvine

Gender : Female

Character Name : Cole

Original Name : Jack McMullen

Gender : Male

Character Name : Quinn

Original Name : Steve Wall

Gender : Male

Character Name : Hogan

Original Name : Caolan Byrne

Gender : Male

Character Name : Lynch

Original Name : Stephen McMillan

Gender : Male

Character Name : Uniformed Officer 2

Original Name : Hywel Morgan

Gender : Male

Character Name : Vet

Original Name : Martin McCardie

Gender : Male

Character Name : Special Branch Detective

Original Name : Desmond Edwards

Gender : Male

Character Name : Jeanette (uncredited)

Original Name : Marianne McIvor

Gender : Female

Character Name : Vet's Wife

Original Name : Lucianne McEvoy

Gender : Female