A troubled orphan boy who is chosen as the "Champion of Eternity" and given powers by an ancient wizard, and transforms into an adult with superpowers when he speaks the sorcerer's name. Batson is chosen as the new Champion, eons after the Council of Eternity selected another hero, who eventually killed all of the Council except for Shazam.The powers given from the ancient wizard to Batson include gifts bestowed upon the sorcerer from various others. These powers include: the wisdom of Solomon, granting increased intellect; the superhuman strength of Hercules, the superhuman stamina of Atlas; powers from Zeus, including the ability to summon lightning; the increased courage of Achilles, as well as being nearly indestructible; and the superhuman speed of Mercury, which provides him with the means of flight. David Kohlsmith plays a four-year-old William "Billy" Batson.

A physicist who had grown up as an outcast in his wealthy family. Sivana had himself been summoned by the Wizard Shazam as a child, but was not chosen as his champion, leading Sivana to spend his life trying to unlock the secret to return to the Rock of Eternity.

Billy's foster brother and best friend, a disabled, nerdy superhero enthusiast who is the only person that knows that he is Shazam.

An ancient wizard seeking a successor, who bestows his powers on Billy Batson so that he can magically transform into an adult superhero. Hounsou previously portrayed Ricou, the King of the Fishermen, in Aquaman.

Billy's foster sister at his new home, the "den mother" who helps take care of the other kids and is debating attending college in California.

Billy's foster brother at his new home, a obsessive gaming enthusiast and budding techie.

Billy's foster brother at his new home, a shy, sensitive kid who has trouble opening up.

Billy's youngest foster sibling at his new home, an energetic and effusive little girl.

The foster father of the group home where Billy and his friends live.

The foster mother of the group home where Billy and his friends live.