Gerard Butler as Captain Joe Glass

Gary Oldman as CJCS Charles Donnegan

Toby Stephens as Bill Beaman

Common as RA John Fisk

Linda Cardellini as Jane Norquist

David Gyasi as Cob Wallach

Gabriel Chavarria as Jimenez

Ryan McPartlin as Matt Johnstone

Carter MacIntyre as XO Brian Edwards

Zane Holtz as Paul Martinelli

Taylor John Smith as Belford

Michael Trucco as Devin Hall

Mikhail Gorevoy as Admiral Dmitri Durov

Aleksandr Dyachenko as President Zakarin

Igor Jijikine as Tretiak

Yuri Kolokolnikov as Oleg

Ilia Volok as Captain Vlade Sutrev

Caroline Goodall as President Dover

Corey Johnson as Captain

Adam James as Captain Forbes

Will Attenborough as Kaplan

Michael Nyqvist as Captain Andropov

Sarah Middleton as Liddy

Christopher Goh as Park

Shane Taylor as TMC Turner

Henry Goodman as Senator from Illinois

Colin Stinton as Senator from Iowa

Kieron Bimpson as Nichols

Nathan Cooper as Mess Crew (uncredited)

Dempsey Bovell as Sonar

Jacob Scipio as Sonar

Ethan Baird as Sonar

Kola Bokinni as McCaw

Michael Jibson as Reed

Brian Kinney as Officer on the Deck

Cosmo Jarvis as Fathometer Operator

Hristo Mitzkov as Volkov Sonarman

Stefan Ivanov as Volkov Captain

David Yelland as SECDEF

Stuart Milligan as Secretary of State

Aleksandar Belovski as Russian Navy (uncredited)

Theo Barklem-Biggs as Seaman Mackinnon (uncredited)

Mikey Collins as Brickowski