Returning more production to the United States will require a national approach and broad-based policy solutions,” the groups said in a letter to the White House.

Since President Donald Trump announced that he wanted to impose a 100 percent tariff on all movies produced outside the U.S., everyone from studio executives to Democratic lawmakers have been scrambling to find a way to stop him. But California’s top prosecutor has a novel approach — and he may be willing to act on it.

Hollywood studios and unions representing movie workers joined forces Monday to urge US President Donald Trump to give tax breaks to US-made films. The joint letter, which was also signed by Jon Voight and Sylvester Stallone -- two of Trump's "ambassadors" to Hollywood -- comes days after the Republican president said he wanted to impose 100 percent tariffs on foreign films in a bid to help the domestic industry.