David Harbour reflects on watching his younger co-stars grow up

• Harbour’s co-stars were pre-teens when production began on the Netflix series 
• The actor, 48, has been a mentor and friend to the young actors over the years
• The Gran Turismo star revealed his desire to ‘see all the kids succeed’

His Stranger Things co-stars were just pre-teens when they all began working on their hit Netflix series, and David Harbour has opened up about watching the young actors come into their own as…