Chris Hemsworth as Owen Chase

Benjamin Walker as George Pollard

Cillian Murphy as Matthew Joy

Brendan Gleeson as Old Thomas Nickerson

Ben Whishaw as Herman Melville

Michelle Fairley as Mrs. Nickerson

Tom Holland as Young Thomas Nickerson

Paul Anderson as Thomas Chappel

Frank Dillane as Owen Coffin

Joseph Mawle as Benjamin Lawrence

Edward Ashley as Barzallai Ray

Sam Keeley as Ramsdell

Osy Ikhile as Richard Peterson

Gary Beadle as William Bond

Jamie Sives as Isaac Cole

Morgan Chetcuti as Sheppard

Charlotte Riley as Peggy

Nicholas Jones as Pollard Senior

Donald Sumpter as Paul Macy

Richard Bremmer as Benjamin Fuller

Jordi Mollà as Spanish Captain

Hayley Joanne Bacon as Nantucket Townswoman

Andrew Crayford as Customs Officer

Claudia Newman as Nantucket Townswoman

Andy Wareham as John Sanborn

Stephanie Jacob as Tally Woman

Robert J. Fraser as Sailor (uncredited)

Saffron Mcintyre as Nantucket Child (uncredited)