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

Director

David Dobkin