K-19: The Widowmaker

Harrison Ford

Alexei Vostrikov

Liam Neeson

Mikhail Polenin

Peter Sarsgaard

Vadim Radtchinko

Joss Ackland

Marshal Zelentsov

John Shrapnel

Admiral Bratyeev

Donald Sumpter

Dr. Savran

Tim Woodward

Partonov

Steve Nicolson

Demichev

George Anton

Konstantin

James Francis Ginty

Anatoly

Lex Shrapnel

Kornilov

Ingvar E. Sigurðsson

Gorelov

Sam Spruell

Dmitri

Sam Redford

Vasily

Peter Stebbings

Kuryshev

Roman Podhora

Lapinsh

Shaun Benson

Leonid

Dmitry Chepovetsky

Sergei

Christopher Redman

Kiklidze

Tygh Runyan

Maxim

Peter Graham

Danya Yashin

Shawn Mathieson

Stepan

Jacob Pitts

Grigori

Christopher Routh

Oleg

Lubomir Mykytiuk

Dr. Gavril

Michael Gladis

Yevgeny Borzenkov

Christian Camargo

Pavel

Ravil Isyanov

Suslov

Kristen Holden-Ried

Anton

Natalya Vintilova

Katya (as Natalia Vintilova)

Steve Cumyn

Arseni

Austin Strugnell

Yakov Rakitin

Arsenty Sydelnykov

Seymon 'Syoma' Dydik

JJ Feild

Andrei

Peter Oldring

Vanya

Joshua Close

Viktor

Gerrit Vooren

Voslensky

Joey Purpura

Georgi (as Gerrit Purpura)

Lev Prygunov

Ivan Vershinin

Jeremy Akerman

Fyodor Tsetkov

Lee J. Campbell

Judge