"Quantum physics is not a step forward; it is a new way to understand reality. Einstein's opened the door, [and] now we are seeing a world inside of our world; a world of energy and paradox that not everyone can accept."

"Benny Safdie - Edward Teller"

"Jason Clarke - Roger Robb"

"The power you are about to reveal will forever outlive the Nazis, and the world is not prepared."

"I think one of the wisest things I ever did was when I selected the director of Los Alamos."

"Dr Oppenheimer, the fact that your security clearance is proving difficult to obtain is not my fault. It’s yours."

"Algebra is like sheet music. The important thing isn't, "can you read music," it's "can you hear it.""

"[to Oppenheimer] It’s important you not maintain or renew any questionable associations."

"He wanted the glorious insincere guilt of the self-important to wear like a fuckin' crown, and I gave it to him."

"Oppenheimer wanted to own the atomic bomb. He wanted to be the man who moved the Earth. He talks about putting the nuclear genie back in the bottle. Well I'm here to tell you that I know J. Robert Oppenheimer, and if he could do it all over, he'd do it all the same. You know he's never once said that he regrets Hiroshima? He'd do it all over. Why? Because it made him the most important man who ever lived!"

"J. Robert Oppenheimer the martyr. I gave him exactly what he wanted. To be remembered for Trinity. Not Hiroshima, not Nagasaki. He should be thanking me."

"[referring to Oppenheimer] A lot of scientists blame me, but how was I supposed to protect him?"

"Survival in Washington is about knowing how to get things done."

"Would the Japanese surrender if they knew what was coming?"

"Dylan Arnold - Frank Oppenheimer"

"Phillip Morrison: But how do we justify using this weapon on human beings?"

"Henry Stimson: [referring to the firebombing of Tokyo] I worry about an America where we do these things and no one protests."

"You’re a politician now, Robert. You left physics behind many years ago."

"Amateurs seek the sun. Get eaten. Power stays in the shadows."

"You think because you let them tar and feather you that the world will forgive you? They won't."

"Genius is no guarantee of wisdom."

"You don’t know scientists like I do, counselor. They resent anyone who questions their judgement, especially if you’re not one of them."

"[referring to Los Alamos] Robert built that damn place. He was founder, mayor, sheriff all rolled into one."

"[to Oppenheimer, referring to Teller] You shook his fucking hand?!"

"Tom Conti - Albert Einstein"

"Tim DeKay - John Pastore"

"[referring to the hydrogen bomb] If it could put us ahead again, the President of the United States needs to know about it. And if there’s a possibility that the Russians know about it from a spy at Los Alamos, then we’ve gotta get going."

"J. Robert Oppenheimer, sphinx-like guru of the atom. No one knows what you believe! Do you?"

"[referring to who is behind Oppenheimer's "security hearing"] Wake up! It is Strauss! It’s always been Strauss, and you know it. Why won’t you fight!?"

"George Kistiakowsky: [referring to the Trinity Gadget] A month of my salary against ten bucks says it lights."

"Gary Oldman - Harry S. Truman"

"John Gowans - Ward Evans"

"Kurt Koehler - Thomas A. Morgan"

"James Remar - Henry Stimson"

"Trond Fausa Aurvåg - George Kistiakowsky"

"Macon Blair - Lloyd K. Garrison"

"Gregory Jbara - Warren Magnuson"

"Olli Haaskivi - Edward Condon"

"Louise Lombard - Ruth Tolman"

"Guy Burnet - George Eltenton"

"Harrison Gilbertson - Philip Morrison"

"David Rysdahl - Donald Hornig"

"Harry Groener - Gale W. McGee"