evidence: Barbie director Greta Gerwig with Noah Baumbach • Who directed Barbie [...] America Ferrera in Barbie • Barbie movie director "Everybody is afraid they’re going to put a foot wrong and it’s all going to come crashing down," Gerwig says of the scene. "In that moment of doing that monologue, she was giving people permission to step off that tightrope." [...] Barbie is a testament to the power of a director with a strong vision and collaborative attitude. Though these two qualities may seem to be in opposition, filmmakers like Gerwig show that it is their synthesis that makes a great director. Gerwig knew what she wanted, and encouraged her talented crew to run with it.