
The film director turned shot-stopper became a national hero with heroics between the sticks, including a penalty save against Messi at the 2018 World Cup. Career record: 77 caps and 0 goals for Iceland; club career at Knattspyrnufélagið Fram, KR Reykjavík, Randers.
| 2002–2004 | Leiknir Reykjavík |
| 2005–2005 | Ungmennafélagið Afturelding |
| 2006–2006 | Stjarnan |
| 2007–2010 | Knattspyrnufélagið Fram |
| 2011–2013 | KR Reykjavík |
| 2012–2012 | SK Brann |
| 2014–2015 | Sandnes Ulf |
| 2015–2016 | N.E.C. |
| 2016–2016 | FK Bodø/Glimt |
| 2016–2018 | Randers |
| 2018–2019 | Qarabağ FK |
| 2019–2021 | Valur |
| Iceland | 77 caps, 0 goals |
Iceland legends whose careers overlapped Halldórsson's
One rank above: Ragnar Sigurðsson at #8.
One rank below: Albert Guðmundsson at #10.
Iceland's editorial top five: Eiður Guðjohnsen · Ásgeir Sigurvinsson · Gylfi Sigurðsson · Hermann Hreiðarsson · Aron Einar Gunnarsson.