The 50-year-old actress and 30-year-old Tron: Legacy star were announced alongside John Goodman, Ed Helms, Anthony Mackie and June Squib. Diane Keaton, Alan Arkin and Amanda Seyfried were previously confirmed for the CBS Films holiday movie.
Let It Snow was written by Steven Rogers (Stepmom), with Jessie Nelson (I am Sam) as director. The film follows the many members of an extended family as they gather for their annual Christmas Eve celebration, and will open in theaters Nov. 13.
Tomei last starred with Hugh Grant in romantic comedy The Rewrite. She is scheduled for Spare Parts with Jamie Lee Curtis and George Lopez, and will appear with Amy Schumer and Bill Hader in new Judd Apatow comedy Trainwreck.
Wilde last appeared with Jason Bateman in romantic comedy The Longest Week. She and Mark Duplass will star in thriller The Lazarus Effect, and the actress is also scheduled for Meadowland with Juno Temple and Giovanni Ribisi.