RiverdaletransformedCole Sprouse’s career, ushering him from child star to teen idol.

Now, his brother Dylan is opening up about the toll it took on both twins.

But when the subject of his brother came up, Dylan got personal.

Cole Sprouse and Dylan Sprouse at the ‘Lisa Frankenstein’ premiere.

Cole Sprouse and Dylan Sprouse at the ‘Lisa Frankenstein’ premiere.Eric Charbonneau/Getty

Eric Charbonneau/Getty

“When Cole got onRiverdale,” Cohen asked, “how did you view that?…

Sprouse simply replied, “No.”

The actormarriedhis partner, model Barbara Palvin, last year at an intimate ceremony in her native Hungary.

Sprouse hinted at a dark side his brother’s experience, however.

“Im gonna be real frank with you.

Except this is a moody, strange show that shoots mostly night shoots in a town thats virtually dead.

“It was a tough shoot, man.

I think anyone would say that,” Sprouse said.