As soon as Kamala Harris became the Democratic presidential nominee four weeks ago, the phones at WME started ringing. “Everybody wants to get involved,” says Matt Kaplan, who heads the agency’s political affairs. “Everybody wants to know how they can help.”

Kaplan is the go-between who connects campaign and convention organizers with the agency’s stars. Natalie Tran fills a similar role at CAA. She, too, has seen a surge in enthusiasm. “I’ve had more incoming messages in the last eight days than I’ve had since January,” Tran says.

A handful of Hollywood players are so politically active that they hire their own strategists to organize fundraisers and track legislation. Others do it all themselves, researching issues and firing off tweets when the mood strikes. But most rely on consultants to help them get the most out of their political involvement. As celebrities have become more active in the Trump era, agencies have taken on more responsibility for helping them figure out what works and what doesn’t.

“There are strategic ways to give your money away and nonstrategic ways to give your money away,” says Hannah Linkenhoker, who founded a political consulting firm at ICM and now serves clients through entertainment law firm Johnson Shapiro Slewett & Kole. Linkenhoker’s goal is to provide “the smartest strategic advice on where you can make the biggest difference with the reach you have.”