Story highlights Silverman says 'Bernie or bust' supporters 'being ridiculous'

Silverman told CNN's Jake Tapper the moment was unscripted

Philadelphia (CNN) Comedian Sarah Silverman said her on-stage denunciation Monday night of Bernie Sanders supporters who aren't yet backing Hillary Clinton as "ridiculous" was unplanned.

"No, it wasn't scripted at all," she told CNN's Jake Tapper in an interview alongside Minnesota Sen. Al Franken, himself a former comedian.

She said it occurred because, "like an old-timey movie," Democrats were ahead of schedule so a stagehand was encouraging her and Franken to stretch their introduction to musician Paul Simon.

At the Democratic National Convention, Silverman had said to "Bernie-or-bust" people: "You're being ridiculous."

Silverman said she thinks the Vermont senator convinced most of his supporters -- except "fundamentalists" who are "nutso" -- to back Clinton.

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