比利·克里斯托

Billy Crystal

饰：Lieutenant Jacob 'Jake' Beser

金·达比

Kim Darby

饰：Lucy Tibbets

帕特里克·杜菲

Patrick Duffy

饰：Colonel Paul Tibbets

加里·弗兰克

Gary Frank

饰：Major Tom Ferebee

格雷戈里·哈里森

Gregory Harrison

饰：Captain Bob Lewis

史蒂芬·马赫特

Stephen Macht

饰：Major Wiiliam 'Bud' Uanna

沃尔特·奥尔克维奇

Walter Olkewicz

饰：Sergeant Shug Crawford

罗伯特·派恩

Robert Pine

饰：Captain William 'Deke' Parsons

詹姆斯·繁田

James Shigeta

饰：Field Marshall Abehata

罗伯特·瓦尔登

Robert Wolkowitz

饰：J. Robert Oppenheimer

理查德·文彻

Richard Venture

饰：Alexander Sachs

理查德·赫德

Richard Herd

饰：General Groves

亨利·威尔克松

Henry Wilcoxon

饰：Secretary of War Stimson

迈克尔·图齐

Michael Tucci

饰：Captain Claude Eatherly

Stephen Burleigh

饰：Theodore Van Kirk

Than Wyenn

饰：General Curtis LeMay

詹姆斯·塞托

ames Saito

饰：Lieutenant Tatsuo Yamato

Marion Yue

Marion Yue

饰：Aya

Bill Morey

饰：General George Marshall

约翰·藤冈

John Fujioka

饰：General Nagai

Charles Benton

Gary Mike Casper

Gary Mike Casper

Dick Christie

Dick Christie

饰：(as Dick Christie)

迈克尔·柯里

Michael Currie

Peter Fox

Stanley Grover

Matthew Haggerty

Matthew Haggerty

Nancy Hamilton

Nancy Hamilton

Lynn Hancock

Bill Hutton

Stephen Keep

Stephen Keep

Tony Lucatorto

Will MacMillan

Matt McGowan

Matt McGowan

莱斯利·沐恩维斯

Leslie Moonves

Glenn Morrissey

Glenn Morrissey

Rummel Mor

Devon Nuir

Devon Nuir

Richard Mulholland

Richard Mulholland

艾德·尼尔森

Ed Nelson

饰：President Harry S Truman

Jed Nolan

Jed Nolan

Michael Potter

饰：Sweeney

Ned Wilson

Ned Wilson

Stephen Roberts

Stephen Roberts

饰：President Franklin Delano Roosevelt

Stephen Keep Mills

饰：(as Stephen Keep)

Ray Holland

饰：Sergeant Shug Crawford

艾琳·萨基

Eileen Saki

饰：Radio Operator

Kirk Koskella

Kirk Koskella

饰：MP,(as Kirk I Koskella) (credit only)