Reese Witherspoon
Rosita (voice)
Nick Kroll
Gunter (voice)
Dave Rosenbaum
Dave (voice)
Jenny Slate
Gidget (voice)
Danny DeVito
The Lorax (voice)
Michael Keaton
Walter Nelson (voice)
Allison Janney
Madge Nelson (voice)
Kevin Hart
Snowball (voice)
Steve Carell
Gru (voice) (uncredited)
