Robert Zemeckis previously said the film 'wouldn't work without our actors seamlessly transforming into younger versions of themselves' thanks to new tech

In Guthrie's absence, Craig Melvin stepped in to co-host the show alongside Hoda Kotb

The former 'Big' actor recounts what it was like working with Tom Hanks in conversation with PEOPLE

"I feel lucky to be a part of this extraordinary project - of capturing something that is so real that it's irrefutable to anybody who watches it," Hanks tells PEOPLE of the new project as the official first look is unveiled