On screen
Cast
40 credited performers
Billy Crystal
Lt. Jacob 'Jake' Beser
Kim Darby
Lucy Tibbets
Patrick Duffy
Col. Paul Tibbets
Gary Frank
Maj. Tom Ferebee
Gregory Harrison
Capt. Bob Lewis
Stephen Macht
Maj. William 'Bud' Uanna
Walter Olkewicz
Sgt. Shug Crawford
Robert Pine
Capt. William 'Deke' Parsons
James Shigeta
Field Marshal Abehata
Robert Walden
J. Robert Oppenheimer
Richard Venture
Alexander Sachs
Richard Herd
Gen. Groves
Henry Wilcoxon
Secretary of War Stimson
Ed Nelson
President Harry S. Truman
Stephen Roberts
President Franklin D. Roosevelt
Michael Tucci
Capt. Claude Eatherly
Than Wyenn
Gen. Curtis LeMay
Stephen Burleigh
Theodore Van Kirk
Marion Yue
Aya
Bill Morey
Gen. George Marshall
John Fujioka
Gen. Nagai
James Saito
Lt. Tatsuo Yamato
Phillip Pine
Character not listed
Ned Wilson
Character not listed
Michael Currie
Character not listed
Bill Hutton
Character not listed
Matt McGowan
Character not listed
Rummel Mor
Character not listed
Glenn Morrissey
Character not listed
Stephen Keep Mills
Character not listed
Stanley Grover
Character not listed
Peter Jason
Character not listed
Tony Lucatorto
Character not listed
Leslie Moonves
Character not listed
Richard Mulholland
Character not listed
Jed Nolan
Character not listed
Lynn Hancock
Character not listed
Charles Benton
Character not listed
Will MacMillan
Character not listed
Peter Fox
Character not listed