Rachel McAdams
Role: Sigrit Ericksdottir
Will Ferrell
Role: Lars Erickssong
Pierce Brosnan
Role: Erick Erickssong
Dan Stevens
Role: Alexander Lemtov
Jamie Demetriou
Role: Kevin Swain
Ólafur Darri Ólafsson
Role: Neils Brongus
Melissanthi Mahut
Role: Mita Xenakis
Björn Hlynur Haraldsson
Role: Policeman - Arnar
Graham Norton
Role: Graham Norton
Jóhannes Haukur Jóhannesson
Role: Johans
Elena Saurel
Role: Stage Manager
Julian Miller
Role: Janus Skoene
Mikael Persbrandt
Role: Victor Karlosson
Jon Kortajarena
Role: Corin Vladvitch
Elin Petersdottir
Role: Helka
Christopher Jeffers
Role: Johnny John John
Rebecca Harrod
Role: Brittny
Eleanor Williams
Role: Jenn
Björn Stefánsson
Role: Ian
Maxim De Villiers
Role: French Voter
Chris Lew Kum Hoi
Role: Jae-Bong
Tómas Lemarquis
Role: Jiles
Smari Gunn
Role: Lighting Assistant
Gudmundur Thorvaldsson
Role: Man #1 (1974)
Arnar Jónsson
Role: Man #2 (1974)
Natasia Demetriou
Role: Nina
Hannes Óli Ágústsson
Role: Olaf Yohansson
Hlynur Þorsteinsson
Role: Policeman - Robert
William Lee Adams
Role: William Lee Adams
Heidi Niemi
Role: Stage Manager 2
Chris Beaumont
Role: Steve Gunderson
Laura Hayden
Role: The Wonder Four
Joshua Rumble
Role: The Wonder Four
Harry Balazs
Role: The Wonder Four
Jackson Couzens
Role: The Wonder Four
Halldora Thoell
Role: Woman #1 (1974)
Nína Dögg Filippusdóttir
Role: Woman #2 (1974)
Alfie Melia
Role: Young Lars
Mark Adams
Role: Jon Ola Sand
Zack Propert
Role: Stephan (Drummer)
Brie Kristiansen
Role: Ros
Gunnar Cauthery
Role: Aron
Milan van Weelden
Role: 21st Century Viking
Alexander Tol
Role: Dutch Voter
Andrei Zayats
Role: Czech Republic Voter
Junior Delius
Role: Dailbour Jinski - Belarus
Daniela Tocari
Role: Romanian Voter
Tharan Sivapatham
Role: Airport Attendant
Miguel Angelo
Role: Portugal Voter
Eveline Suter
Role: Swiss Voter
Tommy Ashby
Role: White Snow
Lydia Clowes
Role: White Snow
Aiste S. Gram
Role: Aiste Gramantaite
Salvador Sobral
Role: Salvador Sobral
Marcus Garvey
Role: Eurovision Director
John Lundvik
Role: John Lundvik
Anna Odobescu
Role: Anna Odobescu
Bilal Hassani
Role: Bilal Hassani
Jessy Matador
Role: Jessy Matador
Alexander Rybak
Role: Alexander Rybak
Elina Nechayeva
Role: Elina Nechayeva
Conchita Wurst
Role: Conchita Wurst
Sophia-Grace Donnelly
Role: Young Sigrit
Trevor Allan Davies
Role: Old Accordion Player
Spike Jefferson
Role: Old Bass Player
Grant Crookes
Role: Icelandic Bar Patron (uncredited)
Jodie Cuaresma
Role: Icelandic Punter (uncredited)
