Charlie Hunnam

Raleigh Becket

Rinko Kikuchi

Mako Mori

Idris Elba

Stacker Pentecost

Max Martini

Herc Hansen

Clifton Collins Jr.

Tendo Choi

Ron Perlman

Hannibal Chau

Charlie Day

Dr. Newton Geiszler

Burn Gorman

Dr. Hermann Gottlieb

Robert Kazinsky

Chuck Hansen

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)

Hugh Tran

Asian Boy