I was seeing Pitch Perfect 2 and it happened to have actor Skylar Astin and so it makes me think that Skylar Astin is the son of John Astin from The Addams Family. I didn't know that John Astin had children and that Skylar Astin was a great actor and singer in Pitch Perfect
Bestie

No.

Mackenzie Astin is the son of John Astin and Patty Duke. Sean Astin is John Astin's step son.
John also had three children from a previous marriage.

LaBestia, you can easily find out the correct info. from a simple Google search...

His full name is actually Skylar Astin Lipstein.