- Elektra Jansson-Kilbey - Alma
- Adam Hurtig - Young Russ
- Leann Lei - Xiu
- Denae Boucher - Bride
- Kamal Chioua - Groom
- Victor J. Ho - Zhi
- Alec Carlos - Mark
- Jodi Lynn Thomas - Young Klara
- Christin Park - Stacey
- Sean Connolly Affleck - Phil
- Lauren Cochrane - Nurse
- Brenda Gorlick - Woman with Dog
- Ernesto Griffith - Officer 2
- James Madge - Officer 1
- Beverly Ndukwu - Patty
- Jon Kortajarena - Alex
- Brian Maillard - Kent
- Abby Ryder Fortson - Young Girl
- Kevin Harris - Gaddis #2
- Jill Frappier - Martha
- Ken Pak - Fred
- Emjay Anthony - Young George
- Stephanie Sy - Audrey
- Rooj Ali - Uma
- Liliane Chretien - Paul's Mother
- Gwendolyn Collins - Nurse in Hospital
- Alicia Johnston - Ruth
- Keenan Lehmann - Adam
- Danny-Jo Luprypa - Paul
- Callum McAllister - Chris
- River Price-Maenpaa - Laurel
- Daria Puttaert - Klara (40's)
- Neil Shah - Lab Technician
- Kurtis Allan - Steven
- Jane Alexander - Klara
- Erik Athavale - Walter
- Kassianni Austin - Molly
- Carter Heintz - Nate
- Roger Clown - Lenny
- Trinity King - Nora
- Robert Nahum Allen - Logan the Bartender
- Chelsey Mark - Teacher
- Alessandra de Sa Pereira - Beth
- Tatiana Latreille - Lauren
- Tyler Barnhardt - Danny Jansson
- Quinton Boisclair - Vagabond
- Shaun McComb - Adult Jakob
- Stefanie Estes - Sarah The Teacher
- Dominic Rains - Lucas
- Lauren Weedman - Kate
- Solange Sookram - Tina
- Ato Essandoh - Gaddis
- Dan Bakkedahl - Ed
- Jonathan Pryce - Russ
- Nicole Law - May
- Paul Schneider - George
- Duncan Joiner - Cole
- Rebecca Hall - Loretta
- Daniel Zolghadri - Jakob
- Danny Kang - Ethan
- Kyle Wong
- Simon Stålenhag
- Tamara Mauthe
- Matt Reeves
- Mattias Montero
- chrussy
- Nicole Daniels
- Rafi Crohn
- Philip Glass
- Russ Dyck
- Paul Leonard-Morgan
- Kelly Oxford
- Lyndsey Schenk
- Matthew Manselle
Elektra Jansson-Kilbey hace el papel de Alma.
Adam Hurtig interpreta a Young Russ en la serie.
Leann Lei interpreta a Xiu en la serie.
Denae Boucher interpreta a Bride en la serie.
Kamal Chioua interpreta a Groom en la serie.
Victor J. Ho interpreta a Zhi en la serie.
Alec Carlos interpreta a Mark en la serie.
Jodi Lynn Thomas interpreta a Young Klara en la serie.
Christin Park interpreta a Stacey en la serie.
Sean Connolly Affleck interpreta a Phil en la serie.
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