Trailer
Cast
Laura Dern
Kathleen Robinson
Ron Vawter
Jamie Latrobe
John Considine
Robert Tuckson
Arthur Holden
Oakridge Doctor
Robert Peter Gale
Dr. Louis Hempelman
Walker Edmiston
(voice)
Matthew Faison
(voice)
Ron Frazier
Peter de Silva
Péter Halász
George Kistiakowsky
Fred Thompson
Melrose Hayden Barry
Stan Jones
(voice)
Alan Oppenheimer
(voice)
Clark Gregg
Douglas Panton
Madison Mason
Boris Pash
Krzysztof Pieczyński
Otto Frisch
Del Close
Dr. Kenneth Whiteside
Paul Newman
Gen. Leslie R. Groves
Bonnie Bedelia
Kitty Oppenheimer
John Cusack
Michael Merriman
Todd Field
Robert Wilson
Ken Strausbaugh
Observation Officer
Dwight Schultz
J. Robert Oppenheimer
John C. McGinley
Richard Schoenfield
Allan Corduner
Franz Goethe
Jon DeVries
Johnny Mount
Ed Lauter
Whitney Ashbridge
Jim True-Frost
Donald Hornig
Natasha Richardson
Jean Tatlock
James Eckhouse
Robert Harper
Mary Pat Gleason
Dora Welsh
Don Pugsley
Bronston
Logan Ramsey
Brehon Somervell