Michael Fassbender

Thomas Rongen

Oscar Kightley

Tavita

Kaimana

Jaiyah

David Fane

Ace

Rachel House

Ruth

Beulah Koale

Daru

Taika Waititi

American Samoan Priest

Will Arnett

Alex Magnussen

Elisabeth Moss

Gail

Uli Latukefu

Nicky Salapu

Sisa Grey

Convenient Store Cashier

Semu Filipo

Rambo

Chris Alosio

Jonah

Lehi Makisi Falepapalangi

Pisa

Ioane Goodhue

Smiley

Hio Pelesasa

Samson

Wil Kahele

"Who's on the Plane" Reporter

Rhys Darby

Rhys Marlin

Luke Hemsworth

Keith

Angus Sampson

Angus Bendleton

Kaitlyn Dever

Nicole (voice)

Levy Tuiala

Chief Sila

Patrick Mullen

Tongan Player #2

Loretta Ables Sayre

Rambo's Mom

Lori Pelenise Tuisano

American Samoan Woman #1

David Tu'itupou

Tall David

Russell Satele

Russell Satele (uncredited)