The Day After Trinity

Paul Frees

Self - Narrator (voice)

Jon Else

Self - Interviewer

J. Robert Oppenheimer

Self (archive footage)

Hans Bethe

Self

Frank Oppenheimer

Self

Haakon Chevalier

Self

Robert Serber

Self

?

Holm Bursom

Self

?

Stirling Colgate

Self

Freeman Dyson

Self

?

Susan Evans

Self

?

Francis Fergusson

Self

Leslie Groves

Self (archive footage)

?

Elizabeth Ingram

Self

?

Robert Krohn

Self