Taylor Kitsch
Lieutenant Alex Hopper
Tadanobu Asano
Captain Yugi Nagata
Rihanna
Petty Officer Cora 'Weps' Raikes
Gregory D. Gadson
Lieutenant Colonel Mick Canales
Hamish Linklater
Cal Zapata
Alexander Skarsgård
Commander Stone Hopper
Jerry Ferrara
Sampson JOOD Strodell
Jesse Plemons
Boatswain Mate Seaman Jimmy "Ordy" Ord
John Tui
Chief Petty Officer Walter "The Beast" Lynch
David Jensen
NASA Director
Rico McClinton
Captain Browley
Joji Yoshida
Chief Engineer Hiroki
Dustin J. Reno
Electronic Warfare Supervisor
Rick Hoffman
Chairman, Joint Chiefs of Staff
Gary Grubbs
Air Force Chief of Staff
Doug Penty
CIC Watch Supervisor
Josh Pence
Combat Systems Coordinator
Lloyd Pitts
JPJ Port Gunner
Michelle Arthur
British Newscaster
Natalia Castellanos
Spanish Newscaster
Leni Ito
Japanese Newscaster
Jackie Johnson
Jackie Johnson
Kerry Cahill
Cal's Female Colleague
Norman Vincent McLafferty
Old Salt
Dante Jimenez
JPJ XO Mullenaro
Ralph Richardson
JPJ Starboard Gunner
Kyle Clements
Regent Sea Commander
Bill Stinchcomb
Marine Commandant
Arlene Newman
Naval Officer
George O'Hanlon Jr.
Tourist Guide
Jay Jackson
American Newscaster
Barack Obama
Self (uncredited)
Peter MacNicol
Secretary of Defense
Liz Wicker
Female Newscaster