Actor Tim Robbins on Monday afternoon rallied supporters of Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE on the eve of the Wisconsin Democratic primary.

Robbins sought to address Democrats who "feel Bernie in their hearts but are supporting Hillary with their pragmatic brains," saying that "these are not bad people."

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"We've all been fed a steady stream of simplistic propaganda that furthers the establishment's narrative that Hillary's the presumptive nominee," Robbins said during a rally in Green Bay.

"And if we were sheep, if we had gotten in line, there'd be no problem now," he continued, saying "establishment figures would get elected" and figures like Sanders would be "marginalized."

"Times have changed," Robbins said. "We are done with compromising our ideals."

Sanders on Monday suggested Clinton was "nervous" heading into Tuesday's primary in Wisconsin following the Independent Vermont senator's recent state wins despite an uphill delegate battle.

"The story tomorrow is pretty simple — if there is a large voter turnout, I believe we win. If there is low voter turnout, we will probably lose," Sanders said in Green Bay. "I think it will be a close election."

Robbins described Clinton as someone "entirely entrenched in the disfunctions of the past" and ripped her 2002 vote for the Iraq War, which she has since called a mistake.

"Tim Robbins is right, that war has been a disaster for our country and the Middle East in general," Sanders said in his remarks. "I voted against that war, Secretary Clinton voted for that war." Sanders kept his focus on Clinton aimed at her Wall Street speech transcripts, support from super-PACs and support for trade deals he said negatively affected U.S. workers. "Trade is not a sexy issue," Sanders said, adding, "it is clear to me that our trade policies ... have cost us millions of decent-paying jobs."

Sanders spent a good deal of his time slamming Wisconsin Gov. Scott Walker (R), calling on his audience to consider the Walker administration "and then think just the opposite." He ripped Republican governors across the country who he claimed are "working overtime trying to suppress the vote." Sanders referred to Walker as among "political cowards of the worst kind," saying, "if you don't have the guts to participate in free, fair, open elections, get out of politics."