Hey guys. So obviously this is about the Flash cast and all of them are the same.

Face claim

Grant Gustin as Bartholomew Henry Chase "Barry" Allen/The Flash

"Hey, I'm Barry Allen. I'm the youngest son of Lucifer Morningstar." to Chloe Decker

Guest Star: Stephen Amell as Oliver Samael Jonas Queen/Green Arrow

"I'm Oliver Queen, I'm the oldest son of Lucifer." to Chloe Decker

Guest Star: Mark Fishbach as Lucifer Samael Morningstar

"Hi, Detective. Good to see your here. I want you to meet these two." to Chloe Decker

Guest Star: Lauren German as Chloe Decker

"Nice to meet you. This is Ella Lopez. Our Forensic Scientist."

Guest Star: Aimee Garcia as Ella Lopez

"Hi, nice to meet you. But I already met you, Barry. It's nice to meet you, Oliver."

Melissa Benoist as Kara Allen/Surpergirl (née Danvers; born as Kara Zor-El)

"Hey. Would it be alright if I... move to Central City?"

Chyler Leigh as Alex Danvers/Sentinal

"You should. Cause I know you want to be with Barry. Maybe... I'll move with you."

Olivia Holt as Nora Alura Allen/XS

"Hi. I'm Nora. Your Daughter from the future. And I think I made a big... big mistake."

Jensen Ackles as Bartholomew Zor-El Henry "Bart" Allen

"Hey, Dad. What's good? Or Pops? Can I call you Pops, yet? You like it when I call you Pops later, I can't remember when that is though. Yo, this place is Crash!" 

Last of casting

I hope you enjoy knowing all the people I used for this, and let's see where this story goes.