Name	Known for
Predrag 'Miki' Manojlovic Edward Teller (as Miki Manojlovic) Edward Teller (as Miki Manojlovic) See fewer	Underground (1995)
Jean-Paul Muel Leo Szilard Leo Szilard See fewer	The Visitors (1993)
Maury Chaykin General Leslie Groves General Leslie Groves See fewer	My Cousin Vinny (1992)
Tom Rack Robert Oppenheimer Robert Oppenheimer See fewer	300 (2006)
Pier Paolo Capponi Enrico Fermi (as Pier-Paolo Capponi) Enrico Fermi (as Pier-Paolo Capponi) See fewer	Naked Violence (1969)
Myriam Mézières Gertrude Weiss Gertrude Weiss See fewer	Fleurs de sang (2002)
Géza Kovács Otto Frisch Otto Frisch See fewer	The Dead Zone (1983)
Vincent Grass Hans Bethe Hans Bethe See fewer	The Chronicles of Narnia: Prince Caspian (2008)
Marie Bunel Mici Teller Mici Teller See fewer	The Chorus (2004)
Denis Bouchard Louis Slotin Louis Slotin See fewer	Lance et compte III (1989)
Denis Forest Klaus Fuchs Klaus Fuchs See fewer	The Mask (1994)
Lloyd Bochner General Curtis LeMay General Curtis LeMay See fewer	Point Blank (1967)
Michael Ironside Werner Heisenberg Werner Heisenberg See fewer	Starship Troopers (1997)
Peter Chatel Carl von Weizsacker Carl von Weizsacker See fewer	Fox and His Friends (1975)
Peter Dvorsky Ernest Lawrence Ernest Lawrence See fewer	Videodrome (1983)
Rosemary Dunsmore Jean O'Leary Jean O'Leary See fewer	Orphan Black (2013)
Amy Werba Laura Fermi Laura Fermi See fewer	Hands of Steel (1986)
Jean-Gabriel Nordmann John von Neumann John von Neumann See fewer	Napoléon (2002)
Vjenceslav Kapural George Kistiakowsky (as Venco Kapural) George Kistiakowsky (as Venco Kapural) See fewer	Race for the Bomb (1987)
Denis Manuel Albert Einstein Albert Einstein See fewer	Les faucheurs de marguerites (1974)
Barry Morse Secretary Stimson Secretary Stimson See fewer	Whoops Apocalypse (1982)
Alan Rossett Arthur Compton (as Allan Rossett) Arthur Compton (as Allan Rossett) See fewer	JCVD (2008)
Perica Martinovic Rose Bethe Rose Bethe See fewer	Fatal Sky (1990)
Michael Morris Company Executive (as Michaël Morris) Company Executive (as Michaël Morris) See fewer	Frantic (1988)
Relja Basic Harry Gold (as Relia Basic) Harry Gold (as Relia Basic) See fewer	Roundabout (1966)
Robert Barr James Byrnes James Byrnes See fewer	Frantic (1988)
Joe Sheridan M.P. Officer M.P. Officer See fewer	Hitman (I) (2007)
Norman Stokle Pentagon General Pentagon General See fewer	IP5: The Island of Pachyderms (1992)
Jim Kaufman Norris Bradbury Norris Bradbury See fewer	Dracula 2000 (2000)