| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adam McKay | Crew | Production | Executive Producer |
 Allison Jones | Crew | Production | Casting |
 Andrew Steele | Crew | Writing | Writer, Executive Producer |
 Anna B. Sheppard | Crew | Costume & Make-Up | Costume Designer |
 Atli Örvarsson | Crew | Sound | Original Music Composer |
 Chris Henchy | Crew | Production | Producer |
 Daniel M. Stillman | Crew | Production | Executive Producer |
 David Dobkin | Crew | Directing | Director |
 Eitan Evan | Crew | Production | Producer |
Greg Hayden | Crew | Editing | Editor |
Nigel Evans | Crew | Art | Art Designer |
 Paul Inglis | Crew | Production | Production Designer, Production Design |
 Will Ferrell | Crew | Writing | Writer, Producer |
 Jessica Elbaum | Crew | Production | Producer |
Ketan Waikar | Crew | Art | Art Direction |
 Molly Sandén | Crew | Sound | Vocals |
Naomi Moore | Crew | Art | Set Decoration |
 Andri Fannar Kjartansson | Crew | Camera | Camera Trainee |
 Jon Ola Sand | Crew | Production | Executive Producer |
Jan Hermenau | Crew | Production | Executive Producer |
Nadja Burkhardt | Crew | Production | Executive Producer |
 Savan Kotecha | Crew | Sound | Songs, Lyricist |
 Fat Max Gsus | Crew | Sound | Songs |
 Rickard Göransson | Crew | Sound | Songs, Lyricist |
 Arnar Jónsson | Cast | Actor | Man #2 (1974) |
 Graham Norton | Cast | Actor | Graham Norton |
 Gudmundur Thorvaldsson | Cast | Actor | Man #1 (1974) |
 Mikael Persbrandt | Cast | Actor | Victor Karlosson |
 Pierce Brosnan | Cast | Actor | Erick Erickssong |
 Rachel McAdams | Cast | Actress | Sigrit Ericksdottir |
Will Ferrell | Cast | Actor | Lars Erickssong |
 Ólafur Darri Ólafsson | Cast | Actor | Neils Brongus |
 Björn Hlynur Haraldsson | Cast | Actor | Policeman - Arnar |
 Bobby Lockwood | Cast | Actor | Jeff |
 Dan Stevens | Cast | Actor | Alexander Lemtov |
 Demi Lovato | Cast | Katiana | |
 Jóhannes Haukur Jóhannesson | Cast | Actor | Johans |
 Marcus Garvey | Cast | Actor | Eurovision Director |
 Nína Dögg Filippusdóttir | Cast | Actress | Woman #2 (1974) |
 Tómas Lemarquis | Cast | Actor | Jiles |
 Alexander Rybak | Cast | Actor | Alexander Rybak |
 Hannes Óli Ágústsson | Cast | Actor | Olaf Yohansson |
 Jon Kortajarena | Cast | Actor | Corin Vladvitch |
 Andrei Zayats | Cast | Actor | Czech Republic Voter |
 Julian Miller | Cast | Actor | Janus Skoene (uncredited) |
 Aiste S. Gram | Cast | Actress | Aiste Gramantaite |
 Elina Alminas | Cast | Actress | Sasha |
 Jamie Demetriou | Cast | Actor | Kevin Swain |
 Alfrun Rose | Cast | Actress | Anna |
 Joi Johannsson | Cast | Actor | Jorn |
 Elin Petersdottir | Cast | Actress | Helka |
 Chris Lew Kum Hoi | Cast | Actor | Jae-Bong |
 Björn Stefánsson | Cast | Actor | Ian |
 Kajsa Mohammar | Cast | Actress | Lisa |
 Elena Saurel | Cast | Actress | Stage Manager |
 John Lundvik | Cast | Actor | John Lundvik |
 Trevor Allan Davies | Cast | Old Accordion Player | |
 Miguel Angelo | Cast | Actor | Portugal Voter |
 Gunnar Cauthery | Cast | Actor | Aron |
 Jason Lines | Cast | Actor | Russian Dancer (uncredited) |
 Natasia Demetriou | Cast | Actress | Nina |
 Melissanthi Mahut | Cast | Actress | Mita Xenakis |
 Brie Kristiansen | Cast | Actress | Ros |
 Bilal Hassani | Cast | Actor | Bilal Hassani |
 Thomas Neuwirth | Cast | Actor | Conchita Wurst |
 Netta | Cast | Actress | Netta |
 Josh Zaré | Cast | Bill | |
 Jamala | Cast | Actress | Jamala |
 Milan van Weelden | Cast | Actor | 21st Century Viking |
 Loreen | Cast | Actress | Loreen |
 Eleanor Williams | Cast | Actress | Jenn |
 Spike Jefferson | Cast | Actor | Old Bass Player |
 Elina Nechayeva | Cast | Actress | Elina Nechayeva |
 Jessy Matador | Cast | Actor | Jessy Matador |
 Anna Odobescu | Cast | Actress | Anna Odobescu |
 Lydia Clowes | Cast | Actress | White Snow |
 Tommy Ashby | Cast | Actor | White Snow |
 Eveline Suter | Cast | Actress | Swiss Voter |
 Tharan Sivapatham | Cast | Actor | Airport Attendant |
 Daniela Tocari | Cast | Actress | Romanian Voter |
 Junior Delius | Cast | Actor | Dailbour Jinski - Belarus |
 Alexander Tol | Cast | Actor | Dutch Voter |
Mark Adams | Cast | Actor | Jon Ola Sand |
Alfie Melia | Cast | Actress | Young Lars |
 Halldora Thoell | Cast | Actress | Woman #1 (1974) |
Jackson Couzens | Cast | Actor | The Wonder Four |
Joshua Rumble | Cast | Actor | The Wonder Four |
 Laura Hayden | Cast | Actress | The Wonder Four |
 Heidi Niemi | Cast | Actress | Stage Manager 2 |
 Hlynur Þorsteinsson | Cast | Actor | Policeman - Robert |
 Maxim De Villiers | Cast | Actor | French Voter |
 Rebecca Harrod | Cast | Actress | Brittny |
 Christopher Jeffers | Cast | Johnny John John | |
 Zack Propert | Cast | Actor | Stephan (Drummer) |
 Sophia-Grace Donnelly | Cast | Actress | Young Sigrit |
 Yevgeniy Malyarchuk | Cast | Actor | Self - Host (uncredited) |
 William Lee Adams | Cast | Actor | William Lee Adams |
Harry Balazs | Cast | Actor | The Wonder Four |
 Chris Beaumont | Cast | Steve Gunderson | |
 Smari Gunn | Cast | Actor | Lighting Assistant |
 Salvador Sobral | Cast | Actor | Salvador Sobral |
| Person | Type | Job | Role(s) |
