Beau Starr, who appeared in “Goodfellas” and multiple “Halloween” movies has died at the age of 81.

His younger brother, Mike Starr, told TMZ on Saturday that Beau died “peacefully of natural causes” on April 24 in Vancouver, Canada.

Mike — who is also an actor — said Beau was “very unique and special.” He also divulged that Beau was a significant influence on him, even helping raise him, along with their parents.

Beau Starr (seen above with the cast of “True Blue”) died on April 24. ©NBC/Courtesy Everett Collection

The actor was known for appearing in “Goodfellas” alongside Joe Pesci, Paul Sorvino, Ray Liotta and Robert DeNiro (above).…