Principal Cast
Paul Newman
as Gen. Leslie R. Groves
Dwight Schultz
as J. Robert Oppenheimer
Bonnie Bedelia
as Kitty Oppenheimer
John Cusack
as Michael Merriman
Laura Dern
as Kathleen Robinson
Ron Frazier
as Peter de Silva
John C. McGinley
as Capt. Richard Schoenfield, MD
Natasha Richardson
as Jean Tatlock
Ron Vawter
as Jamie Latrobe
Michael Brockman
as William Deke Parsons
