Rebecca Sugar Creator, Executive Producer, Writer Zach Callison Steven Voice Estelle Garnet Voice Michaela Dietz Amethyst Voice Deedee Magno Pearl Voice Kimberly Brooks Carnelian, Skinny Guest Voice Lisa Hannigan Blue Diamond Guest Voice Erica Luttrell Sapphire Guest Voice Patti LuPone Yellow Diamond Guest Voice Christine Pedi Holly Blue Agate Guest Voice Tom Scharpling Greg Universe Guest Voice Curtis Lelash Executive Producer Brian A. Miller Executive Producer Jennifer Pelphrey Executive Producer Rob Sorcher Executive Producer Colin Howard Writer Joe Johnston Writer