After a chance encounter, a Dubliner is stalked by a murderous facsimile of himself.
| Actor | Role |
|---|---|
 Brendan GleesonLiam O'Leary | Liam O'Leary |
 Kim CattrallJane O'Leary | Jane O'Leary |
 Ciarán HindsFather Andy | Father Andy |
 Sinéad CusackOona O'Leary | Oona O'Leary |
 Sean McGinleyDeclan Murray | Declan Murray |
 Angeline BallUrsula | Ursula |
 Cathy BeltonSally | Sally |
 Denis ConwayBertie Brennan | Bertie Brennan |
 Ned DennehyFelim | Felim |
| MMoira DeadyMaeve - Liam's Mother | Maeve - Liam's Mother |
 Michael FitzgeraldMale nurse | Male nurse |
 Brian GleesonConnor O'Leary | Connor O'Leary |
 David HerlihyPaul | Paul |
 John KavanaghHarry | Harry |
 Mark LambertDistrict Judge | District Judge |
| RRuth LawlorLarry's Secretary | Larry's Secretary |
 Eanna MacLiamThe Beggar | The Beggar |
 Aonghus Og McAnallyGarda #2 | Garda #2 |
| SSean MarkeyDrinker | Drinker |
| NNigel LindenSamantha's Boyfriend | Samantha's Boyfriend |
 Tom Vaughan-LawlorLarry Cooney | Larry Cooney |
| JJohnny FortuneCash Convertors Worker | Cash Convertors Worker |
 Michael McElhattonDr. Alex Loden | Dr. Alex Loden |