The 'Smash' grad teases the highly anticipated crossover
Credit: Jack Rowand/The CW

Jeremy Jordan is tickling the ivory keys while Carlos Valdes is singing his heart out for the upcoming Flash-Supergirl musical crossover. But despite these two even being in the same room on screen together for the first time, viewers won’t actually get to see Winn and Cisco interacting.

That’s because, in this movie musical that Barry (Grant Gustin) and Kara (Melissa Benoist) get trapped in by the Music Meister (Darren Criss), both the Team Flash and Team Supergirl whizzes are actually playing characters in the vein of Wizard of Oz — Winn is Grady, the club pianist, while Cisco is the busboy and aspiring artist Pablo. EW sat down with the Smash alum on set to get a look at his experience filming the highly anticipated hour. (And here’s Valdes’ take on the two ships passing in the night.)

ENTERTAINMENT WEEKLY: What was your reaction when you first found out that you guys would be doing a musical crossover?
JEREMY JORDAN: “So, they finally did it!” I mean, ever since they announced the cast of our show, and plus the casts of Flash and other shows having so many musical theater people in them, it was only a matter of time before they harnessed those talents and made something into it.

What has that prep been like?
Well, in the show I play a piano player so I just had to practice the piano. I don’t have to do any dancing. But we recorded the music a few weeks ago and it’s kind of old hat for me. I did a series called Smash a few years back. So, yeah, it’s pretty simple. I mean, it comes together real quick and yeah, you just try to have fun; that’s the main thing.

Does it feel like Smash all over again in some ways?
A little bit, yeah, sure. But what’s kind of fun about this one is we’re doing this dream sequence. Basically, the whole episode’s like a dream sequence, and so we get to create these different characters. I’m not playing Winn, I’m playing Grady, who is a character in Kara and Barry’s mind of what a ‘40s musical character would sound, look, and act like. It’s kind of heightened, a little bit over the top, which has been really fun to play with. I have a pretty festive voice accent, I guess you could say, so that’s been really fun.

You bring up Smash. John Barrowman was geeking out about you being on set.
He was?

Yeah, because he watched Smash.
What a nerd. He plays it super cool backstage so you wouldn’t know he was geeking out.

What’s it like for you coming in to work with a bunch of people that you may not have gotten to work with before?
It’s great. Well, sadly for me I only really get to work with Carlos, John, and Grant. And Grant I’ve worked with before, Darren I’ve worked with before, and Melissa clearly I’ve worked with before. So, it’s nice to kind of get to play with Carlos and a little bit and with John as well. We’ll do more crossovers in the future where hopefully Winn himself will get to geek out over all the superhero, other-earthly things going on.

So Winn and Cisco don’t get to interact.
I know! Winn doesn’t even come with them! I don’t know why Winn didn’t come through the portal, but listen he’s got a girlfriend now, so he’s a little preoccupied.

How do you think he’ll feel when he hears what they went through?
Oh, he’s pissed I’m sure. In the Supergirl episode that leads up to this, he specifically talks about how cool it would be to meet Cisco and that they’d be best friends if they lived in the same universe. And moments later, the Music Meister comes and steals the little device that Cisco gave Kara, and jumps into the next dimension before he could literally go meet this guy and be friends with all sorts of other people. But I’m sure it’ll happen. This is kind of a fun alternative to that.

How do you think Music Meister compares to some of the other villains we’ve seen on the show?
Well, he’s quite different 100 percent. He’s very much over the top, which you’ve seen on some of the shows, we’ve embraced that a little bit more sometimes than others, but the fact that he can take people into their own minds and into a musical number is pretty different and exciting. We don’t really understand his origins or where he comes from, but we know that he has mysterious intentions that we’ll find him out by the end and that will differentiate him from the other villains.

What’s been the hardest part about doing a musical crossover?
There’s nothing. Just getting to know a new crew I guess, like, I don’t really know anybody, but it’s super easy. We’re just having fun and I just act like an idiot and play the piano. I guess, maybe like learning some of the songs on the piano, but they’re not that hard. Yeah, it’s been fun.

The musical crossover will kick off at the end of Supergirl’s March 20 hour, with the majority of the action taking place during The Flash’s March 21 episode, both airing at 8 p.m. ET on The CW. Get BTS scoop here, check out photos here, and read our interviews with Darren Criss here, Grant Gustin here, Melissa Benoist here, John Barrowman here, and Carlos Valdes here.

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