Fat Man and Little Boy

Fat Man and Little Boy Cast

52 cast members · 27 with popularity data

Most Popular Fat Man and Little Boy Cast Members

Paul Newman is currently the most popular Fat Man and Little Boy cast member online with a Attention Score of 7.0. 3 of 52 cast members rank in the top 1,000 actors online today. Updated August 24, 2026.

Gen. Leslie R. Groves

Michael Merriman

Natasha Richardson

Kathleen Robinson

John C. McGinley

Richard Schoenfield

Kitty Oppenheimer

Melrose Hayden Barry

J. Robert Oppenheimer

Alan Oppenheimer

#11,957 overall

Whitney Ashbridge

#13,743 overall

#18,537 overall

Dr. Kenneth Whiteside

#20,746 overall

#22,101 overall

#24,525 overall

Mary Pat Gleason

#25,822 overall

#26,716 overall

Brehon Somervell

#30,779 overall

Walker Edmiston

#30,997 overall

#32,140 overall

Oakridge Doctor

#43,528 overall

#46,654 overall

Krzysztof Pieczyński

#48,362 overall

#58,254 overall

George Kistiakowsky

#63,880 overall

Steven Baigelman

#64,460 overall

Michael Brockman

William "Deke" Parsons

Seth Neddermeyer

Donald MacKechnie

Frank Benettieri Jr.

Roger Cubicciotti

Frank Oppenheimer

Franco Cutietta

Robert Peter Gale

Dr. Louis Hempelman

Wesley Harrison

Peter Oppenheimer

Peter Oppenheimer

David C. Parnes

Harold McDonald

Bill Rubenstein

Ken Strausbaugh

Observation Officer

Walter Sullivan

Dennis Talmudge

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