Name	Known for
Sam Waterston Robert Oppenheimer Robert Oppenheimer See fewer	The Killing Fields (1984)
Christopher Muncke General Kenneth Nichols General Kenneth Nichols See fewer	The Spy Who Loved Me (1977)
George Gabriel Harold Green Harold Green See fewer	The Monkey's Paw (1988)
Phil Brown Lewis Strauss Lewis Strauss See fewer	Star Wars: Episode IV - A New Hope (1977)
Peter Banks Joseph Volpe Joseph Volpe See fewer	Highlander (1986)
Stuart Milligan Herbert Marks Herbert Marks See fewer	Sky Captain and the World of Tomorrow (2004)
James Maxwell Lloyd Garrison Lloyd Garrison See fewer	An Enemy of the State (1965)
Philip O'Brien Roger Robb Roger Robb See fewer	Batman (1989)
Jana Shelden Kitty Oppenheimer Kitty Oppenheimer See fewer	Star Wars: Episode I - The Phantom Menace (1999)
Seymour Green Gordon Gray Gordon Gray See fewer	Chessgame (1983)
Robert Arden John McCloy John McCloy See fewer	Confidential Report (1955)
Manning Redwood General Leslie Groves General Leslie Groves See fewer	A View to a Kill (1985)
David Baxt Colonel John Lansdale Colonel John Lansdale See fewer	Batman (1989)
Matthew Guinness Hans Bethe Hans Bethe See fewer	Oppenheimer (1980)
Edward Hardwicke Enrico Fermi Enrico Fermi See fewer	Elizabeth (1998)
Barry Dennen Isidor Rabi Isidor Rabi See fewer	Jesus Christ Superstar (1973)
David Suchet Edward Teller Edward Teller See fewer	Executive Decision (1996)
John Carson Narrator (voice) Narrator (voice) See fewer	Doomsday (I) (2008)
Antonino B. Garcia US Army Soldier (uncredited) US Army Soldier (uncredited) See fewer