When Dalton Trumbo and his friends joined the Communist Party it was 1943, and Russia was our ally in World War II. This was connected to a very popular movement of artists and intellectuals at that time towards anti fascism, and an alliance with the union movement.

[Lyndon Baines Johnson ] technique in negotiation would be that he'd lean into you and take away your personal space, it didn't matter your party affiliation when he was trying to convince you of something.

Hedda's Hopper attitude was 'once a Commie, always a Commie.'

[Lyndon Baines ] Johnson is a big and larger-than-life guy, we just tried to give him the dynamic range that he actually had.

For Bryan [Cranston ] to go back in time and become this larger-than-life and somewhat theatrical guy, who performed his ideas and rhetoric in public in a melodic and flashy way, was a bit of a risk.

On the other track I got to talk with Jon Poll, my editor, and we go into more detail about the decisions we made in both the production and the post-production. So I hope the combination becomes something worth collecting.

Bryan [Cranston] created something completely unique, that was earned by its authenticity. That's what gave us the license to push it a bit.