Michael Fassbender Thomas Rongen Oscar Kightley Tavita Kaimana Jaiyah Saelua 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 Chris Alosio Jonah Lehi Makisi Falepapalangi Pisa 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) Patrick Mullen Tongan Player #2 Loretta Ables Sayre Rambo's Mom Lori Pelenise Tuisano American Samoan Woman #1 Russell Satele Russell Satele Frankie Adams Frangipani (uncredited) Shereen Balles Airport Patron (uncredited) Jonah Rouse Samoan Boy (uncredited) David James Sikkink New Caledonia Coach (uncredited)