The Flash: Setting the Right Speed Behind the Scenes (PHOTOS)

Damian Holbrook

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Grant Gustin gets wired for (the speed of) sound to film one of his many action scenes, which only got faster as the season progressed. “In the beginning, even a simple shot of the Flash running would go through 20 to 30 iterations before we finally got it right,” reveals Kreisberg. “Now, it’s like on the second take that we give our final approval, because they have gotten so good at it.”

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The black beanie Jesse L. Martin sports as Joe West, reminiscent of his Rent character’s signature look, was the Broadway vet’s idea. And, says executive producer Andrew Kreisberg, the cap helps distinguish Joe from Martin’s turn as LAW & ORDER's Ed Green, “one of the most famous cops of all time”

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Déjà vu? Yes, comic fans have seen the time sphere Cisco (Carlos Valdes) built for Wells/Thawne (Tom Cavanagh, left) before. “That’s what the time travelers in DC Comics use, so it was just a question of taking that and making it come to life,” says Kreisberg, who credits production designer Tyler Harron with creating the vehicle. “There is no one better.”

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“He had never been on camera before his guest appearance on ARROW,” raves Kreisberg of musical-theater vet Valdes, here goofing off with a FLASH makeup artist. “No matter what we write for him, he hits it out of the park.”

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Cavanagh and Gustin may look run-down after shooting their finale fight, but Kreisberg says even long days are fun on THE FLASH: “Everybody has come to play.”

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Victor Garber and Robbie Amell pose at the quarry near Vancouver where they shot Firestorm’s nuclear separation. Fun fact: The location also stood in for Afghanistan during ARROW’s Suicide Squad episode.

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By Damian Holbrook

It takes a massive effort to get The Flash from “Action!” to our screens, but it’s clear the cast and crew are more than up to the challenge. In fact, we’re not sure some of them aren’t really metahumans.

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