Rounding out the ensemble are Alex Winter, Maya Erskine, Xolo Maridueña, Billie Lourd, Sandra Oh, Octavia Spencer, Nick Kroll, Hannah Waddingham and Jimmy Kimmel. The film's director, Chris Miller, also lends his voice as Grouchy Smurf.

Ariana Grande and Josh Gad will lend their melodic voices to the film adaptation of “Oh, The Places You’ll Go.” Based on the Dr. Seuss classic, the animated musical will be directed by “Wicked” filmmaker Jon M. Chu and Jill Culton. Warner Bros. will release the movie on March 17, 2028.

As announced Tuesday (July 15), the pop star is set to lead the voice cast of Jon M. Chu and Jill Culton's upcoming film adaptation of Oh, the Places You'll Go!, a 1990 classic written and illustrated by the iconic children's book author.