| Darsteller | Rolle |
|---|---|
| Chris O'Dowd | Sean Murphy (12) |
| Deirdre O'Kane | Debra Moone (12) |
| Ian O'Reilly | Padraic (12) |
| Aoife Duffin | Trisha Moone (12) |
| Peter McDonald | Liam Moone (12) |
| Clare Monnelly | Fidelma Moone (12) |
| Sarah White | Sinead Moone (12) |
| David Rawle | Martin Moone (12) |
| Norma Sheahan | Linda (8) |
| Ronan Raftery | Dessie Dolan Dessie (6) |
| Mark Doherty | Fr. Linehan Father Linehan (3) |
| Johnny Vegas | Crunchie Haystacks (4) |
| Brendan Frayne | Jonner Bonner (3) Jonner (4) |
| Stephen Gillic | Declan Mannion (4) |
| John O'Dowd | Jim Mannion Jim (4) |
| Patrick McDonnell | Frank (4) |
| Cillian Frayne | Conner Bonner (3) Conner (4) |
| David Hasselhoff | Himself |
| Steve Coogan | Francie Feeley |
| Robert Donnelly | Trevor (3) |
| Simon Delaney | Gerry Bonner Gerry (3) |
| Steve Wall | Uncle Danny Daniel |
| Tom Hickey | Joe (2) |
| Mark Huberman | Mike (2) |
| Andrew Bennett | Mr. Jackson (2) |
| Robert Callaghan | Alan (2) |
| Gene Rooney | Nun (2) |
| Ruth McCabe | Gwen (2) |
| Simon Day | Sean Murphington Esq. |
| Mary Barry Leonard | Mrs. Brennan |
| Jessica Hynes | Jennifer Bakewell |
| Ciarán Charles | Irish Fan |
| Gary Murphy | Eamonn |
| Amy Huberman | Miss Tivnan |
| Pat Laffan | Father Roche |
| Pat Shortt | Island Joe |
| David Pearse | Paddy O'Dwyer |
| Jamie McIntyre | Fiacra |
| Jessica Barrett | Majella |
| Aoibhinn McGinnity | Bernadette |
| Don Wycherley | John-Joe |
| Sharon Mannion | Maeve |
| Jemma Curran | Amy |
| Donal Gallery | Mickey-Joe |
| Lisa Garvey | Guide Leader |
| Hope Brown | Cowboy |
| Mary Robinson | Herself |
| Ronald Reagan | Himself |
| Adolf Hitler | Himself |
| Pat McGrath | Len |
| Nuala Kelly | Moira |
| Gay Byrne | Himself |
| Tara Flynn | Barbara |
| Hugh O'Conor | Elf |
| Maeve Higgins | Noreen |
| Mark Nicholson | Joey |
| Evan O'Hanlon | Paulie |
| Sean O'Dowd | Petey |
| Michael Og Lane | Tommy |
| Dagmar Döring | Nurse |
| Natalia Kostrzewa | Francie's Cleaner |
| Dawn Bradfield | Orla |