Jeffrey Dean Morgan
Jacob Kanon

Famke Janssen
Valerie Kanon

Cush Jumbo
Dessie Lombard

Joachim Król
Inspector Klaus Bublitz

Steven Mackintosh
Detective Inspector Rupert Pierce

Naomi Battrick
Marina Haysmith / Sylvia Randolph

Ruairí O'Connor
Simon Haysmith / Mac Randolph

Denis O'Hare
Simon Haysmith

Eva Röse
Detective Sergeant Agneta Hoglund

Lukas Loughran
Detective Evert Ridderwall

Dylan Devonald Smith
Pieter Holl

Sallie Harmsen
Nienke Holl

Orla O'Rourke
Nancy

Christopher Pizzey
Charles Hardwick

Tim Ahern
Bill Brown

Martin Wenner
Matts

Celine Abrahams
Airline Representative

Leander Vyvey
Detective Hunziker

Ben Vinnicombe
José Fernández

Maryam Grace
Kimberley Stevensen - London Murder Victim

Ryan Hannaford
Andrin Rinker - Belgium Murder Victim

Joacim Landin
Police Officer / S.W.A.T. (uncredited)

Mattias Ng
Swedish Police Officer (uncredited)

Christian Jarder
Man in Park