Lars Erickssong
Will Ferrell
Erick Erickssong
Pierce Brosnan
Sigrit Ericksdottir
Rachel McAdams
Alexander Lemtov
Dan Stevens
Victor Karlosson
Mikael Persbrandt
Katiana
Demi Lovato
Kevin Swain
Jamie Demetriou
Neils Brongus
Ólafur Darri Ólafsson
Nina
Natasia Demetriou
Mita Xenakis
Melissanthi Mahut
Jorn
Joi Johannsson
Johans
Johannes Haukur Johannesson
Jiles
Tomas Lemarquis
Policeman - Arnar
Björn Hlynur Haraldsson
Graham Norton
Graham Norton
Woman #2 (1974)
Nína Dögg Filippusdóttir
Jeff
Bobby Lockwood
Stage Manager
Elena Saurel
Corin Vladvitch
Jon Kortajarena
Janus Skoene (uncredited)
Julian Miller
Helene Cardona
Sasha
Elina Alminas
Lisa
Kajsa Mohammar
Johnny John John
Christopher Jefferson
Anna
Alfrun Rose
Helka
Elin Petersdottir
Marcus Garvey
Johnny John John
Christopher Jeffers
Brittny
Rebecca Harrod
Bill
Josh Zaré
Jenn
Eleanor Williams
Ian
Björn Stefánsson
French Voter
Maxim De Villiers
Jae-Bong
Chris Lew Kum Hoi
Lighting Assistant
Smari Gunn
Man #1 (1974)
Gudmundur Thorvaldsson
Man #2 (1974)
Arnar Jónsson
Olaf Yohansson
Hannes Óli Ágústsson
Policeman - Robert
Hlynur Þorsteinsson
William Lee Adams
William Lee Adams
Stage Manager 2
Heidi Niemi
Steve Gunderson
Chris Beaumont
The Wonder Four
Laura Hayden
The Wonder Four
Joshua Rumble
The Wonder Four
Harry Balazs
The Wonder Four
Jackson Couzens
Woman #1 (1974)
Halldora Thoell
Young Lars
Alfie Melia
Jon Ola Sand
Mark Adams
Stephan (Drummer)
Zack Propert
Ros
Brie Kristiansen
Aron
Gunnar Cauthery
21st Century Viking
Milan van Weelden