VIDEO : 'Austin & Ally' Star Laura Marano Joins Robert De Niro in 'War With Grandpa'

Dimitry Loiseau Marano will be working with Marisa Tomei and Christopher Walken in Dimension's comedy. Laura Marano, the star of Disney Channel?s Austin & Ally, has joined the cast of The War with Grandpa, a Dimension Films comedy that stars Robert De Niro and Marisa Tomei. Marano will play the boy?s big sister, a teenage daughter who is trying to rebel from under her watchful mother (Tomei). Phillip Glasser, Marvin Peart and Rosa Morris-Peart are producing the comedy, which is targeting an April 21, 2017 release.