Christopher Walken is also in talks to join the comedy.
Jamie Lee Curtis and Lindsay Lohan are expected to return for the sequel.
Tom Hanks said director Robert Zemeckis taught him to have "faith" in shooting the 1994 movie Forrest Gump.
The cast also includes Winona Ryder and Jenna Ortega.
Jacob Tremblay voices the redesigned fish in Disney's upcoming live-action remake.
Nicolas Cage will be joined by Bill Skarsgård as his on-screen son.
The film adaptation of Stephen King's short story The Life of Chuck will be written and directed by Mike Flanagan.
Dexter Fletcher, who directed the project, appears briefly as Raoul the Arms Dealer.
The Annie Hall actress reprises her role in the sequel to 2018's Book Club.
Rachel Zegler's vocals are "jaw-dropping" in one particular scene.
Damien Chazelle premiered his movies La La Land and First Man at the festival.
An 11th Formula One team is being created for the untitled movie.
