"The police make me as a white woman feel safe, while my black friends, family and neighbors feel the opposite," the actor wrote.
Natalie Portman, Mark Ruffalo, Will Ferrell and others join the Instagram video because "we're all in this together," the "Wonder Woman" star said.
"I want to say, I have tried, and I will keep trying," Portman said of McGowan’s claims that her support of female directors is disingenuous.
Portman’s cape, which was embroidered with the names of snubbed female directors, inspired McGowan to write a lengthy post “out of disgust.”
The actor's custom Dior cape featured the names of the female directors snubbed by the Academy at the 92nd Academy Awards.
"I’ll always have a special place for you in my butt," the "Lucy in the Sky" star told the host.
The Oscar-winning actress held up the mighty hammer during Saturday's Marvel panel at the San Diego Comic-Con.
The singer has been embroiled in a controversy with the actress after making claims that they dated in his new memoir, "Then It Fell Apart."
The musician said he "should've acted more responsibly and respectfully" toward the actress when they first met.
Moby insists he and Natalie Portman dated in the late '90s, which Portman has openly denied. The "Why Can't I?" singer tweeted what might have happened between them.