Cast of Steven Universe

Zach Callison voices Steven Universe, a young boy who is half-human and half-Gem.

Estelle provides the voice for Garnet, a strong and wise Crystal Gem leader.

Michaela Dietz voices Amethyst, a fun-loving and playful Crystal Gem.

Deedee Magno Hall voices Pearl, a meticulous and devoted Crystal Gem.

Kimberly Brooks voices Jasper, a Gem antagonist, as well as Malachite and additional roles such as Carnelian and Skinny.

Kate Micucci voices Sadie Miller, a friend of Steven's who works at the Big Donut.

Uzo Aduba voices Bismuth, a former member of the Crystal Gems.

Dave Willis voices Andy, a relative of Steven who appears in the series.

Braden Fitzgerald provides the voice for Young Ronaldo and the Lighthouse in Steven Universe. Young Ronaldo is a younger version of the character Ronaldo Fryman, who is known for his conspiracy theories and obsession with paranormal. The Lighthouse is an important location in the series.