The director of previous films in the series , Chris Wedge , was only featured in Ice Age : Continental Drift as the voice actor of Scrat .
It was written by Jason Fuchs and Michael Berg , and directed by Steve Martino and Michael Thurmeier—the first film in the series not to be directed by Carlos Saldanha or Chris Wedge , although the latter voices Scrat in the series .
Ice Age-COLON- Continental Drift