Kyle Chandler character Mark Russell
Vera Farmiga character Emma Russell
Millie Bobby Brown character Madison Russell
Ken Watanabe character Dr. Ishiro Serizawa
Zhang Ziyi character Dr. Ilene Chen / Dr. Ling
Bradley Whitford character Dr. Rick Stanton
Sally Hawkins character Dr. Vivienne Graham
Charles Dance character Alan Jonah
Thomas Middleditch character Sam Coleman
Aisha Hinds character Colonel Diane Foster
O'Shea Jackson Jr. character Chief Warrant Officer Barnes
David Strathairn character Admiral William Stenz
Anthony Ramos character Staff Sergeant Martinez
Elizabeth Faith Ludlow character First Lieutenant Griffin
Jonathan Howard character Asher Jonah
CCH Pounder character Senator Williams
Joe Morton character Dr. Houston Brooks
Randy Havens character Dr. Tim Mancini
Lyle Brocato character Executive Officer Bowman
Jimmy Gonzales character Commander Crane
T. C. Matherne character Master Sergeant Hendricks
Kenneth Israel character Argo Deck Officer Zellner
Justice Leak character Monarch Officer Martin
Al Vicente character Isla de Mara Fisherman
Rose Bianco character Isla de Mara Grandmother
Gabriel L. Silva character Isla de Mara Grandson
Skylar Denney character Argo Officer Arvin
Kelli Garner character Argo Officer Cross
Tyler Crumley character Young Andrew
Lexi Rabe character Young Madison
Zac Zedalis character Sergeant Travis
Tracie Garrison character Asaj
Natalie Shaheen character Lieutenant Bottin
Jesse O'Neill character Corporal Winston
Joshua Leary character Sergeant Baker
Vince Foster character G-Team Officer Tippett
Shauna Rappold character G-Team Officer Harryhausen
Fiona Hardingham character News Anchor #1
Orelon Sidney character News Anchor #2
Paul Ryden character News Anchor #3
Laurie Dhue character News Anchor #4
Kevin Shinick character Weather Man
Seth Green character Fighter Pilot (uncredited)
Eli Roth character Fighter Pilot (uncredited)
T.J. Storm character Godzilla (mo-cap)
Jason Liles character King Ghidorah / Rodan (mo-cap)
Alan Maxson character King Ghidorah (mo-cap)
Richard Dorton character King Ghidorah (mo-cap)
John Jacob Anderson character Fenway Park Evacuee (uncredited)
James William Ballard character Mercenary (uncredited)
Joey Beni character Lt. Gentry (uncredited)
Gerardo Bosco character Isla de Mara Fat Runner (uncredited)
DuRa Brown character Mercenary (uncredited)
Cameron Brumbelow character Senator (uncredited)
Madeline Brumby character G-Team (uncredited)
John David Bulla character Jonah's Mercenary #2 (uncredited)
Hans Bush character Colonel Bush (uncredited)
Marko Caka character Jonah's Mercenary #9 (uncredited)
Andrea Antonio Canal character Argo Crew (uncredited)
Timothy Carr character Emt (uncredited)
Lucie Carroll character Senator (uncredited)
Greg Clarkson character Anchor #5 (uncredited)
Mitch Craft character Ancient Temple Guard (uncredited)
Leon Croom character Argo Crew (uncredited)
Rob Crowe character Mercenary (uncredited)
Michael Dougherty character Fighter Pilot (uncredited)
Daejahnna Downer character Griffin's Sister (uncredited)
Robin Dyke character Monarch Scientist (uncredited)
Justine Edwards character G-Team (uncredited)
Frank Forke character Monarch (uncredited)
Fred Galle character Egan (uncredited)
Tahseen Ghauri character Senator Aide (uncredited)
Christopher Bryan Gomez character Monarch Scientist (uncredited)
Clare Grant character Fighter Pilot (uncredited)
Anthony B. Harris character National Guard Soldier (uncredited)
Kasia Hart character Sonogram Technician (uncredited)
Cecil M. Henry character Ausprey Refueler (uncredited)
Maxwell Highsmith character Scientist (uncredited)
Mallory Hoff character Reporter #5 (uncredited)
Miguel Insignares character Mercenary (uncredited)
Omar Isaacs character Fighter Pilot (uncredited)
Alex Javo character Base Guard (uncredited)
Brian Kayode-Patrick Johnson character Boston Evacuee (uncredited)
Deedra Jordan character EMT Johnson (uncredited)
Cameron James Khan character Evacuee (uncredited)
Tony Koschmann character Jonah's Mercenary (uncredited)
Emily Lamb character Submariner 1 (uncredited)
Alison Linkov character Firefighter (uncredited)
Andrea Maiuro character Village Fisherman (uncredited)
Van Marten character Dr. Chen's Assistant (uncredited)
Shaun McLane character Submarine Pilot (uncredited)
Shaun McMillan character Aircraft Ground Crew (uncredited)
Timothy D. Montjoy character Military Guard (uncredited)
Roger K. Moore character Military Special Forces (uncredited)
Tony Morgan character Monarch Scientist (uncredited)
Sherod Morrison character Submarine Crewman (uncredited)
Stephen Moyer character Fighter Pilot (uncredited)
Walker Peterson character G-Team Commando (uncredited)
Leiloni Arrie Pharms character Terrified Little Girl (uncredited)
Mason Pike character Evacuee (uncredited)
Beverly Provost character G-Team Medic (uncredited)
Sasha Rionda character Reporter (uncredited)
Diana Rombola character Argo Crew (uncredited)
Andres Salgado character Isis Guard (uncredited)
Patti Schellhaas character Evacuee (uncredited)
Zach Shields character Fighter Pilot (uncredited)
Beverley Simmons character Senator (uncredited)
Max Soliz character Village Fisherman (uncredited)
Shawn South character Argo Bridge Crew / Argo UB Crew (uncredited)
James Sterling character Monarch Scientist (uncredited)
Thomas W. Stewart character Argo Crew (uncredited)
Joey Thurmond character Scientist (uncredited)
Robert Tinsley character Construction Worker (uncredited)
Miguel Angel Varela Fimbres character Street Scaping Daring Tourist (uncredited)
Laurel O Wagner character Boston Evacuee (uncredited)
Aaron Walsh character Young Andrew 5yrs Old (uncredited)
Buddy Watkins character Grounds Crew / Base Gaurd (uncredited)
Benjamin Weaver character Deck Officer (uncredited)
Jamie Wedel character Deck Commander (uncredited)
Michael David Yuhl character Paramedic (uncredited)
Aaron Taylor-Johnson character (archive footage)
Bryan Cranston character (archive footage)
M. Peavey character Helicopter Pilot