Billy Crystal

Lt. Jacob 'Jake' Beser

Acting

Kim Darby

Lucy Tibbets

Acting

Patrick Duffy

Col. Paul Tibbets

Acting

Gary Frank

Maj. Tom Ferebee

Acting

Gregory Harrison

Capt. Bob Lewis

Acting

Stephen Macht

Maj. William 'Bud' Uanna

Acting

Walter Olkewicz

Sgt. Shug Crawford

Acting

Robert Pine

Capt. William 'Deke' Parsons

Acting

James Shigeta

Field Marshal Abehata

Acting

Robert Walden

J. Robert Oppenheimer

Acting

Richard Venture

Alexander Sachs

Acting

Richard Herd

Gen. Groves

Acting

Henry Wilcoxon

Secretary of War Stimson

Acting

Ed Nelson

President Harry S. Truman

Acting

Stephen Roberts

President Franklin D. Roosevelt

Acting

Michael Tucci

Capt. Claude Eatherly

Acting

Than Wyenn

Gen. Curtis LeMay

Acting

Stephen Burleigh

Theodore Van Kirk

Acting

Marion Yue

Aya

Acting

Bill Morey

Gen. George Marshall

Acting

John Fujioka

Gen. Nagai

Acting

James Saito

Lt. Tatsuo Yamato

Acting

Phillip Pine

Acting

Ned Wilson

Acting

Michael Currie

Acting

Bill Hutton

Acting

Matt McGowan

Acting

Rummel Mor

Acting

Glenn Morrissey

Acting

Stephen Keep Mills

Acting

Stanley Grover

Acting

Peter Jason

Acting

Tony Lucatorto

Acting

Leslie Moonves

Acting

Richard Mulholland

Acting

Jed Nolan

Production

Lynn Hancock

Acting

Charles Benton

Acting

Will MacMillan

Acting

Peter Fox

Acting