EXCLUSIVE: 'Star Trek: Discovery' Cast Reveals Details of Spock Family Surprise!

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Star Trek: Discovery
has a special Spock connection!

ET's Kevin Frazier caught up with the cast of the upcoming CBS All Access series at San Diego Comic-Con on Saturday, where they opened up about Sonequa Martin-Green's character's Vulcan roots.

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"James [Frain] is playing Spock's father, Sarek. He's the character that's introduced in the original series. We get to meet him a little earlier, when he has a slightly different job," Anthony Rapp explained. "We also get to see his relationship with Sonequa's character, who is a human raised a Vulcan.

"I'm her adopted father in a sense," Frain added. "I take her into my family."

According to Jason Isaacs, the Spock connection isn't the only Easter egg they've left for fans of the franchise.

"This show, I think, was for people that have never seen Star Trek before, just enjoy the adventure," Jason Isaacs said. "For those people who did watch, some of the series or all of the series, it has a whole bunch of other Easter eggs and layers canons in it. So you go, 'Oh, that's the first time that happened!'"

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"There's nothing traditional about this Star Trek. For the people have liked and loved it before, you'll know it's the same show, but it's made for 2017 and the future," he shared. "It was always the case in the '60s that it was absolutely about the world that people were living in and the struggles they were facing in the streets through the prism of fantasy. And we live in complicated, difficult, interesting times and those reflect it in this."

Part of breaking the mold this time around was casting Martin-Green as the series' main character -- the first time Star Trek has had a female lead (and one who is not a captain).

"Captain Janeway, Kate Mulgrew. The brilliant Kate Mulgrew, she set the tone with that. For me, it's being a woman, but then also being a black woman, and also being the first officer," Martin-Green revealed. "This is the first time it's being told from those three perspectives."

While Martin-Green might be leading the show, she said that she, her cast and the fans are "all in this together."

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"I liken it to being [around] a campfire, where we're telling the story, but we're all in it together. It's one big community," she said. "We appreciate the passion that the [fans] have."

ET sat down with Zachary Quinto earlier this month, where he revealed whether or not his Spock will make a cameo appearance on Star Trek: Discovery. Watch below: