Guest Stars Eoin Duffy as Sergeant O'Brien Emer Casey as Fiona (Ruairi's Mum) Maeve Smyth as Young Woman David Greene as Briain John Cronin as Patrick (Taxi Driver) Anaïs Rizzo as Hotel Receptionist Kevin Kiernan-Molloy as Colin Oat Jenner as Ticket Inspector Rob McCarthy as Hooded Man Henry Murphy as Eunan Michael Kavanagh as Mike