Shonda Rhimes is opening up about a pivotal moment behind-the-scenes of Grey’s Anatomy . In the new HBO documentary Seen & Heard: The History of Black Television , the series creator revealed that while casting the iconic medical ABC TV drama back in 2005, she was shocked to be sent only white actors.

“I kept saying, like, ‘Where are all the actors?’ They would keep sending us these actors who all look the same, who were white,” Shonda recalled, via TVLine .

“I remember standing up in the room and looking at the network president and saying, ‘I’m not going to have an all-white show.”

Her push for diversity on the TV show changed everything: casting director Linda Lowy then opened the doors to more talent, bringing in actors like Sandra Oh and Chandra Wilson ,

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