It takes a while for John Leguizamo to get into sloth. "I've got to walk around the house a lot the day before, working on the lisp so that it's not too much, that it's just right," he says, ...

Voicing a character in an animated hit movie can get complicated. Just ask John Leguizamo, who’s done four installments as Sid the Sloth in the “Ice Age” series. “The interesting part of being a voice ...