Will Ferrell Writer, Lars Erickssong, Producer
Rachel McAdams Sigrit Ericksdottir
Pierce Brosnan Erick Erickssong
Dan Stevens Alexander Lemtov
Jóhannes Haukur Jóhannesson Johans
Mikael Persbrandt Victor Karlosson
Demi Lovato Katiana, Songs
Graham Norton Graham Norton
Ólafur Darri Ólafsson Neils Brongus
Jon Kortajarena Corin Vladvitch
Adam McKay Executive Producer
Melissanthi Mahut Mita Xenakis
Jamie Demetriou Kevin Swain
Nina Gold Casting
Natasia Demetriou Nina
Chris Henchy Producer
Björn Hlynur Haraldsson Policeman - Arnar
Gudmundur Thorvaldsson Man #1 (1974)
David Dobkin Director
Tómas Lemarquis Jiles
Joi Johannsson Jorn
Marcus Garvey Eurovision Director
Loreen Loreen
Elena Saurel Stage Manager
Catherine Harper Foley Artist
Anna B. Sheppard Costume Designer
Chris Lyons Special Effects Makeup Artist
Atli Örvarsson Original Music Composer
Paul Massey Sound Re-Recording Mixer
David Giammarco Sound Re-Recording Mixer
Conchita Wurst Conchita Wurst
Daniel M. Stillman Executive Producer
John Midgley Production Sound Mixer
Jessica Elbaum Producer
Christopher Jeffers Johnny John John
Alexander Rybak Alexander Rybak
Paul Inglis Production Design
Bobby Lockwood Jeff
Bridget Cook Hairstylist
Sharon Martin Makeup Artist
Aiste S. Gram Aiste Gramantaite
Kajsa Mohammar Lisa
Thomas Tann Lighting Technician
Alana Da Fonseca Music Producer
Danny Cohen Director of Photography
Andrei Zayats Czech Republic Voter
Savan Kotecha Songs, Lyricist
Nigel Evans Art Designer
Kevin Day Props
Harper Steele Writer, Executive Producer
Bilal Hassani Bilal Hassani
Nína Dögg Filippusdóttir Woman #2 (1974)
Rebecca Harrod Brittny
Trevor Allan Davies Old Accordion Player
Jason Oliver ADR Mixer
Emma Scott Makeup Designer
Elina Alminas Sasha
Autumn Butler Makeup Artist
Grant Crookes Icelandic Bar Patron (uncredited)
Josh Zaré Bill
Becky Bentham Music Supervisor
Greg Hayden Editor
Jonathan McGarry First Assistant Director
Julie Feiner Dialogue Editor
Jamie Bench Props
Alex Mott Key Grip
Gunnar Cauthery Aron
Alfrun Rose Anna
Mark Layton Second Assistant Director
Nikita Mitchell Stunt Double
Chris Lew Kum Hoi Jae-Bong
Max Wood Visual Effects Supervisor