Johnny Depp Trial: Amber Heard's Sister and Ellen Barkin Will Testify, Actor Returning to Stand

ET is breaking down what’s next for Johnny Depp’s defamation trial against ex-wife Amber Heard. The ‘Aquaman’ star will continue her testimony, while new witnesses set to testify include actress Ellen Barkin, who dated Depp in the ‘90s, and Heard’s sister, Whitney Henriquez.