• 
  Peter Coonan

  8 episodes
• 
  Caroline Goodall

  8 episodes
• 
  Arsher Ali

  8 episodes
• 
  Paul Rigter

  8 episodes
• 
  Danielle Galligan

  Daiga Mednis / Daiga
• 
  Keith McErlean

  7 episodes
• 
  Antti Reini

  8 episodes
• 
  John Simm

  8 episodes

• 
  Matteo Simoni

  8 episodes
• 
  Pihla Viitala

  8 episodes
• 
  Sofia Pekkari

  8 episodes
• 
  Toni O'Rourke

  6 episodes
• 
  Ryan McParland

  4 episodes
• 
  David Khalid Fawaz

  5 episodes
• 
  Paaru Oja

  8 episodes

• 
  Ian Gerard Whyte

  7 episodes
• 
  Lucy Miller

  2 episodes
• 
  Anthony Condren

  3 episodes
• 
  Tibo Vandenborre

  3 episodes
• 
  Tristan McConnell

  2 episodes
• 
  Megan O'Kelly

  5 episodes
• 
  Derek Ugochukwu

  2 episodes
• 
  Sin Nam Rigter

  8 episodes
• 
  Saar de Groof

   Yalda
• 
  Jakob Eklund

  Berg
• 
  Elle Aleksandra Lehtonen

   Young Mari
• 
  Elmer Bäck

   Matti
• 
  Charlotte Timmers

   Annabelle Fried
• 
  Venetia Bowe

   Katya
• 
  Maria Doyle Kennedy

   Suzie Hawkins
• 
  Paul Sparkes

   Andrew Thompson
• 
  Rea Mauranen

  Mamia
• 
  Aislín McGuckin

  Toni Gallagher
• 
  Daniel Farin

  Young Niclas Gerber
• 
  Jussi Nikkilä

  Aarne
• 
  Jurgen Delnaet

  NIck
• 
  Jeroen Perceval

  Niclas Gerber
• 
  Sharon Coade

  Returning Officer
• 
  Florence Ordesh

  Shakeela Husain
• 
  Danny Kehoe

  Alijosa
• 
  Tom De Beckker

  Charlie
• 
  Aisling O'Mara

  Sutton
• 
  Jack Bandeira

  Meth Head
• 
  Anna De Ceulaer

  Kacey
• 
  Eelis Kesäläinen

  Young Jakob Gerber