<Li> Rolly ( voiced by Sam Lavagnino ) is a light brown 1 - year - old pup with a red collar . He is n't as smart as Bingo , and is very silly . He is Bingo 's younger brother . In `` Bob Loves Mona '' , he starts a bad habit of chewing everything he can find . </Li>
<Li> Rolly ( voiced by Sam Lavagnino ) is a light brown 1 - year - old pup with a red collar . He is n't as smart as Bingo , and is very silly . He is Bingo 's younger brother . In `` Bob Loves Mona '' , he starts a bad habit of chewing everything he can find . </Li>
who plays the brown dog in secret life of pets
who plays the brown dog in secret life of pets
Sam Lavagnino
Sam Lavagnino