Which Disney Junior show was created by Harland Williams and also casts the voice actor Sam Lavagnino?
Sam Lavagnino:  He also voices the dog "Rolly" in the Disney Junior show "Puppy Dog Pals". Puppy Dog Pals: Puppy Dog Pals (previously titled Puppy Dog Tails) is an American computer-animated children's television series created by Harland Williams.
i don't know