Leo – This six-year-old “conductor” carries a baton wherever he goes and leads the Little Einsteins team on each of their exciting missions. His knowledge of music helps guide his teammates through a range of challenges and he draws on his kind, loving, inclusive personality to encourage viewer participation.

Annie – The youngest and most adventurous of the group is four-year-old Annie. She shines as a singer and loves to make up songs on the spot. Annie is Leo’s little sister - fearless and carefree.

Quincy – Five-year-old Quincy’s slapstick humor keeps the group in stitches. An African-American kid, he and best friend Leo complement each other, as Quincy is the resident musical instrument virtuoso.

June – In contrast to Quincy, six-year-old June loves pretty things and is an organized planner who is also a talented dancer and exercises high vocabulary. This graceful, Asian-American girl may appear as dainty as a flower, but the team turns to her whenever there’s a physical challenge.

Rocket – The fifth member of the team, Rocket is a “Swiss Army Ship,” equipped with cool gadgets and tools that help the team overcome any hurdles they may encounter on their missions.