But a new profile for GQ reveals just how committed the Succession star was his portrayal of Mark Zuckerberg in Aaron Sorkin’s upcoming The Social Reckoning. This included a 24/7 commitment to the Zuckerberg voice, even off set. I’ve talked to Mark Zuckerberg many times — I had a whole friendship with Mark Zuckerberg, and Mark Zuckerberg has no idea.” The results of Strong’s commitment to the role of Zuckerberg will unfold when The Social Reckoning arrives in theaters on October 9th. He doesn’t seem to be upset that he was Sorkin’s second choice, after original Social Network star Jesse Eisenberg said no.