| Martin Balsam | .... | Admiral Husband E. Kimmel |
| Sô Yamamura | .... | Admiral Isoroku Yamamoto |
| Jason Robards | .... | General Walter C. Short |
| Joseph Cotten | .... | Henry L. Stimson |
| Tatsuya Mihashi | .... | Commander Minoru Genda |
| E.G. Marshall | .... | Colonel Rufus S. Bratton |
| Takahiro Tamura | .... | Lt. Commander Fuchida |
| James Whitmore | .... | Admiral William F. Halsey |
| Eijiro Tono | .... | Admiral Chuici Nagumo |
| Wesley Addy | .... | Lt. Commander Alvin D. Kramer |
| Shôgo Shimada | .... | Ambassador Kichisaburo Nomura |
| Frank Aletter | .... | Lt. Commander Thomas |
| Koreya Senda | .... | Prince Fumimaro Konoye |
| Leon Ames | .... | Frank Knox |
| Jun Usami | .... | Admiral Zengo Yoshida |
| Richard Anderson | .... | Captain John Earle |
| Kazuo Kitamura | .... | Foreign Minister Yosuke Matsuoka |
| Keith Andes | .... | General George C. Marshall |
| Edward Andrews | .... | Admiral Harold R. Stark |
| Neville Brand | .... | Lieutenant Kaminsky |
| Leora Dana | .... | Mrs. Kramer |
| Asao Uchida | .... | General Hideki Tojo |
| George Macready | .... | Cordell Hull |
| Norman Alden | .... | Major Truman Landon |
| Walter Brooke | .... | Captain Theodore Wilkinson |
| Rick Cooper | .... | Lieutenant George Welch |
| Elven Havard | .... | Doris Miller |
| June Dayton | .... | Miss Ray Cave |
| Jeff Donnell | .... | Cornelia |
| Richard Erdman | .... | Colonel Edward F. French |
| Jerry Fogel | .... | Lt. Commander William Outerbridge |
| Shunichi Nakamura | .... | Kameto Kurojima |
| Carl Reindel | .... | Lieutenant Kenneth Taylor |
| Edmon Ryan | .... | Rear Admiral Bellinger |
| Hisao Toake | .... | Saburo Kurusu |
| Susumu Fujita | .... | Rear Adm. Tamon Yamaguchi |
| Bontaro Miyake | .... | Adm. Koshiro Oikawa |
| Ichirô Ryûzaki | .... | Rear Adm. Ryunosuke Kusaka |
| Kazuko Ichikawa | .... | Geisha in Kagoshima |
| Hank Jones | .... | Davey - Student Pilot in Biplane |
| Karl Lukas | .... | Capt. Harold C. Train - USS California |
| Ron Masak | .... | Lt. Laurence Ruff - USS Nevada |
| Kan Nihonyanagi | .... | Rear Adm. Chuichi Hara |
| Tosio Hosokawa | .... | Lt. Cmdr. Shigeharu Murata |
| Tôru Abe | .... | Rear Adm. Takijiro Onishi (uncredited) |
| Hiroshi Akutagawa | .... | Lord Keeper of the Privy Seal Koichi Kido (Japanese version (uncredited) |
| Leon Alton | .... | Official (uncredited) |
| Kiyoshi Atsumi | .... | Cook #1 (Japanese version only) (uncredited) |
| Paul Bradley | .... | Official (uncredited) |
| Ken Clayton | .... | Official (uncredited) |
| Harold Conway | .... | Eugene Dooman - US Embassy Counselor (uncredited) |
| Mike Danning | .... | Edward Crocker - US Embassy First Secretary (uncredited) |
| Francis De Sales | .... | Capt. Arthur H. McCollum - Wilkinson's Subordinate with Star (uncredited) |
| George DeNormand | .... | Official (uncredited) |
| Glenn Dixon | .... | Officer at Signing of Pact (uncredited) |
| Dave Donnelly | .... | Maj. Gordon A. Blake - Hickam Field Operations Officer (uncredited) |
| James B. Douglas | .... | French's Subordinate (uncredited) |
| Bill Edwards | .... | Col. Kendall J. Fielder - Short's Intelligence Officer (uncredited) |
| Jamie Farr | .... | Multiple Characters (uncredited, voice) |
| Paul Frees | .... | Japanese Ambassador Kichisaburo Nomura (uncredited, voice) |
| Bobby Gilbert | .... | Official (uncredited) |
| Charles Gilbert | .... | Lt. Col. William H. Murphy - Radar Officer #2 (uncredited) |
| Torahiko Hamada | .... | Admiral (uncredited) |
| Ed Haskett | .... | Officer at Signing of Pact (uncredited) |
| Ryôji Hayama | .... | Admiral (uncredited) |
| Andrew Hughes | .... | Embassy Delegation Employee of Japan (uncredited) |
| Hisashi Igawa | .... | Lt. Mitsuo Matsuzaki - Fuchida's Pilot (uncredited) |
| Robert Karnes | .... | Maj. John H. Dillon - Knox's Aide (uncredited) |
| Kenner G. Kemp | .... | Civilian Official Seated at Meeting Table (uncredited) |
| Berry Kroeger | .... | U.S. Army General (uncredited) |
| Akira Kume | .... | Katsuzo Okumura - Embassy Officer at Typewriter (uncredited) |
| Joseph La Cava | .... | Official (uncredited) |
| Ken Lynch | .... | Rear Adm. John H. Newton - USS Lexington (uncredited) |
| Eitarô Matsuyama | .... | Cook #2 (Japanese version only) (uncredited) |
| Mitch Mitchell | .... | Col. Walter C. Phillips - Short's Chief of Staff (uncredited) |
| Hideo Murota | .... | Japanese Pilot (uncredited) |
| Jirô Okazaki | .... | Pilot (uncredited) |
| John Pedrini | .... | Official (uncredited) |
| Steve Pendleton | .... | Destroyer Captain (uncredited) |
| Charlie Picerni | .... | Burning Sailor (uncredited) |
| Joe Pine | .... | Official (uncredited) |
| Walter Reed | .... | Vice Adm. William S. Pye (uncredited) |
| Dan Savino | .... | Sailor (uncredited) |
| Robert Shayne | .... | Cmdr. William H. Buracker - Halsey's Operations Officer (uncredited) |
| Edward Sheehan | .... | Brig. Gen. Howard C. Davidson - CO 14th Pursuit Wing (uncredited) |
| Tommy Splittgerber | .... | Ed Klein - Honolulu Telegraph Operator (uncredited) |
| G.D. Spradlin | .... | Cmdr. Maurice E. Curts - Kimmel's Communications Officer (uncredited) |
| Hiroshi Tom Tanaka | .... | Japanese Midget Submarine Crewman (uncredited) |
| Larry Thor | .... | Maj. Gen. Frederick L. Martin (uncredited) |
| George Tobias | .... | Captain on Flight Line at Hickam Field (uncredited) |
| Arthur Tovey | .... | Officer at Signing of Pact (uncredited) |
| Bob Turnbull | .... | Desk Sergeant (uncredited) |
| Harlan Warde | .... | Brig. Gen. Leonard T. Gerow (uncredited) |
| Meredith 'Tex' Weatherby | .... | Ambassador Joseph C. Grew (uncredited) |
| David Westberg | .... | Ens. Edgar M. Fair - USS California (uncredited) |
| Bruce Wilson | .... | Pvt. Joseph Lockard - Opana Point (uncredited) |
| Bill Zuckert | .... | Adm. James O. Richardson (uncredited) |