David Costabile’s Take on Paul Giamatti’s Weight-Loss Transformation for ‘Billions’

“Extra’s” Billy Bush spoke with David Costabile as he promoted his hit show “Billions.”

Along with discussing his character, David talked about co-star Paul Giamatti’s weight loss for the show. David quipped, “Maybe he fasted… I added all of Paul’s weight [during the pandemic].”

The second half of Season 5 of “Billions” premieres September 5.

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