Cassie Maddox / Lexie Mangan (8 episodes, 2019)
Rob Reilly (8 episodes, 2019)
Adam Reilly (8 episodes, 2019)
Detective Quigley (8 episodes, 2019)
Frank Mackey (8 episodes, 2019)
Detective Sam O'Neill (8 episodes, 2019)
Jamie Rowan (8 episodes, 2019)
Peter Savage (8 episodes, 2019)
Garda Phelan (8 episodes, 2019)
Superintendent O'Kelly (7 episodes, 2019)
Jonathan Devlin (7 episodes, 2019)
Jessica Devlin / Katy Devlin (7 episodes, 2019)
Rosalind Devlin (7 episodes, 2019)
Damien Donnelly (7 episodes, 2019)
Margaret Devlin (6 episodes, 2019)
Young Cathal (6 episodes, 2019)
Daniel March (6 episodes, 2019)
Young Jonathan (6 episodes, 2019)
Young Shane (6 episodes, 2019)
Young Sandra (6 episodes, 2019)
Roch Boyle (3 episodes, 2019)
Simone Cameron (5 episodes, 2019)
Dr. Mark Hanley (4 episodes, 2019)
Sandra Sculley (3 episodes, 2019)
Rafe Lahiri (4 episodes, 2019)
Justin Mannering (4 episodes, 2019)
Abby Stone (4 episodes, 2019)
Clare Hogan (4 episodes, 2019)
Cathal Mills (4 episodes, 2019)
Alicia Rowan (4 episodes, 2019)
Dr. Cooper (4 episodes, 2019)
Alannah Shorey (3 episodes, 2019)
Shane Waters (3 episodes, 2019)
Heather (3 episodes, 2019)
Vincent Johnstone (3 episodes, 2019)
Little Lexie (3 episodes, 2019)
Little Cassie (3 episodes, 2019)
John Reilly (3 episodes, 2019)
Sophie Miller (3 episodes, 2019)
Terence Andrews (3 episodes, 2019)
Mrs Fitzgerald (3 episodes, 2019)
Cepta Maddox (2 episodes, 2019)
Mel Royce (2 episodes, 2019)
John Naylor (2 episodes, 2019)
Mrs. Donnelly (2 episodes, 2019)
Teacher (1 episode, 2019)
Karen Aherne (1 episode, 2019)
Young Margaret (1 episode, 2019)
Cian (1 episode, 2019)
Lawyer (1 episode, 2019)
Solicitor (1 episode, 2019)
James Brice (1 episode, 2019)
Boy Neighbour (1 episode, 2019)
Holly Mackey (1 episode, 2019)
Priest (1 episode, 2019)
Brady (1 episode, 2019)
TV Journalist (1 episode, 2019)
Cassie's Mum (1 episode, 2019)
Young Garda (1 episode, 2019)
Cassie's Dad (1 episode, 2019)
Civil Defence Volunteer (1 episode, 2019)
Technician (1 episode, 2019)
Driver (1 episode, 2019)
Headmaster (1 episode, 2019)
Forensics / Forensics Officer (uncredited) (2 episodes, 2019)
Journalist (uncredited) (2 episodes, 2019)
Tattoo Artist (uncredited) (1 episode, 2019)
Cameraman (#1.1) (uncredited) (1 episode, 2019)
Custody Sergeant (uncredited) (1 episode, 2019)
Solicitor (uncredited) (1 episode, 2019)
Forensics (uncredited) (1 episode, 2019)