Mighty Ducks Star Shaun Weiss

New Acting Gig, Since Being Sober

... Art Imitates Life

Exclusive

Shaun Weiss is back and better ... and now hell be returning to the big screen ... cause the dudes just landed a role in a movie.

The Mighty Ducks star tells TMZ ... hell be in the film, "Jesus Revolution," starring Kelsey Grammer -- based on the true story of Lonnie Frisbee and the hippies he baptized in the 70s -- and the role is reflective of his own life.

Shaun tells us, someone from Lionsgate actually saw his sobriety story and wanted to offer him the role. He did a read for a director via zoom, and voila!

Were told, he plays a strung-out Vietnam vet who gets saved and sobers up. And, hes really gotten into the role ... even asking his dentist if he could temporarily take out the implants he just got, to look the part.

Well, that wasnt possible but, either way, Shaun says the role has taken him back to his own life and being drugged out ... so much so, he says, playing the role is almost like experiencing a relapse.

As we previously reported, Shaun has struggled with drug addiction for many years ... even losing most of his teeth from drug abuse. Hes since turned his life around, gotten a new set of pearly whites and has been sober for 2 years!

Talk about a comeback ...

Congrats Shaun!!