罗伯特·泰勒
Robert Taylor
饰：Col. Paul W. Tibbets, 509th Composite Group CO (pilot of Enola G
埃莉诺·帕克
Eleanor Parker
饰：Lucey Tibbets
詹姆斯·惠特摩
James Whitmore
饰：Maj. William Uanna (Security Officer, Operation Silverplate)
Larry Keating
饰：Maj. Gen. Vernon C. Brent
拉里·盖茨
Larry Gates
饰：Capt. William 'Deak' Parsons, USN
Marilyn Erskine
饰：Marge Bratton
Stephen Dunne
饰：Maj. Harry Bratton, Co-pilot B-29 tests
罗伯特·伯顿
Robert Burton
饰：Gen. Samuel E. Roberts (Tibbets' CO in Africa)
海登·罗克
Hayden Rorke
饰：Dr. Ramsey
劳伦斯·多布金
Lawrence Dobkin
饰：Dr. Van Dyke (as Larry Dobkin)
Jack Raine
饰：Dr. Fiske
Jonathan Cott
饰：Capt. Dutch van Kirk (navigator, Enola Gay)
杰夫·理查兹
Jeff Richards
饰：Maj. Thomas Ferebee (Enola Gay bombardier)
Dick Simmons
饰：Capt. Robert A. Lewis (co-pilot, Enola Gay)
John McKee
John McKee
饰：Staff Sergeant Wyatt E. Duzenbury, Enola Gay Flight Engineer
Pat Conway
饰：Pfc. Richard H. Nelson, Enola Gay Radio Operator (as Patrick Con
克里斯托弗·奥尔森
Christopher Olsen
饰：Paul Tibbets, Jr (as Christie Olsen)
William Lester
饰：Sfc. Driver
Barbara Ruick
饰：Mary Malone
吉姆·巴克斯
James Gilmore Backus
饰：Gen. Curtis E. LeMay
约翰·皮卡德
John Pickard
饰：Miller
Harlan Warde
饰：The Chaplain
John Baer
饰：Captain (uncredited)
John Close
饰：Co-pilot (uncredited)
G·帕特·柯林斯
G. Pat Collins
饰：Maj. Gen. Creston (uncredited)
罗伯特·福勒
Robert Fuller
饰：(uncredited)
Roger Fuller
Roger Fuller
饰：Extra (uncredited)
弗兰克·格斯特
Frank Gerstle
饰：SSgt. Wilson (uncredited)
Don Gibson
饰：Dexter (uncredited)
戴布思·格里尔
Dabbs Greer
饰：Steve, the Operations Officer (uncredited)
John Hedloe
John Hedloe
饰：Lt. Malone (uncredited)
Dorothy Kennedy
饰：Nurse (uncredited)
Lee MacGregor
饰：Gen. Roberts' Aide (uncredited)
Roger McGee
饰：Johnson (uncredited)
Sammy McKim
饰：Captain (uncredited)
Ewing Mitchell
饰：Gen. Kenneth Bonner Wolfe (uncredited)
格雷戈里·沃尔科特
Gregory Walcott
饰：Burns (uncredited)
Crane Whitley
饰：Gen. Corlane (uncredited)
Mack Williams
饰：Col. Bill Irvine (uncredited)
William Ruhl
William Harris Ruhl
史蒂夫·米切尔
Steve Mitchell
Sam Hayes
Fred Coby
贝丝·弗劳尔斯
Bess Flowers
Thomas Murray
Robert Stevenson
Walter Merrill
George Pembroke
William F. Leicester
饰：Driver,(as William Lester)
哈罗德·米勒
Harold Miller
Roger Moore
Herbert Lytton
Dick Ryan
Arthur Tovey
杰克·洛马斯
Jack Lomas
沃德·伍德
Ward Wood
Edward Tierney
Joseph Keane
John Milton Kennedy
Richard Grayson
Don Hicks