- Robert Maillet - Lt. Aleksis Kaidanovsky
- Heather Doerksen - Lt. Sasha Kaidanovsky
- Larry Joe Campbell - Tommy T
- Brad William Henke - Miles
- Diego Klattenhoff - Yancy Becket
- Santiago Segura - Wizened Man
- Jane Watson - Raleigh and Yancy's Mom
- Jung-Yul Kim - Hannibal Chau Thug
- Joshua Peace - Officer
- Mana Ashida - Young Mako
- Joe Pingue - Captain Merrit
- Milton Barnes - McTighe
- Brian Frank - 1st Officer
- Ellen McLain - Gipsy Danger AI (voice)
- David Fox - Old Man on Beach
- Jake Goodman - Child
- Robin Thomas - American UN Representative
- Julian Barnes - British UN Representative
- David Richmond-Peck - Canadian UN Representative
- Sebastian Pigott - Engineer
- J.C. Kenny - TV Reporter
- Robert Morse - Raleigh and Yancy's Dad
- Mike Chute - Saltchuck Crew
- Duncan McLeod - Saltchuck Crew
- Louis Paquette - Saltchuck Crew
- Matthew G. Taylor - Saltchuck Crew
- Frank Nakashima - UN Representative
- Terry Belleville - UN Representative
- Farzad Sadrian - UN Representative
- Mishu Vellani - UN Representative
- Clive Walton - UN Representative
- Peter Kosaka - Young Mako's Father
- Yiren Stark - Young Mako's Mother
- Mark Luu - Wei Tang Triplet
- Charles Luu - Wei Tang Triplet
- Lance Luu - Wei Tang Triplet
- William S. Wong - Engineer (uncredited)
- Victoria Sawal - Chinese Girl in Anti-Kaiju Refuge
- Timothy Gibbs - Marine (uncredited)
- Guillermo del Toro
- Dug Rotstein
- Shane B. Scott
- Alexander H. Gayner
- Guillermo del Toro
- Travis Beacham
- Travis Beacham
- Margery Simkin
- Guillermo del Toro
- Callum Greene
- Callum Greene
- Robin D. Cook
- Thomas Tull
- Scott Martin Gershin
- Scott Martin Gershin
- Catherine Harper
- Christopher Moriana
- Ramin Djawadi
- Tom Morello
Capítulo disponible en las siguientes plataformas:
