The 23-year-old youngest grandson of the Queen of England, who struggles with the expectations of his royal role while maintaining a poised exterior.

The first female president of the United States, Ellen is known for her tough and caring nature, balancing political duties with her role as a supportive mother.

A California senator and Alex’s father, who remains sincerely supportive of his son despite being divorced from Ellen.

Alex’s older sister and an aspiring journalist, part of the White House Trio with her brother and friend Nora.

A data analyst and best friend to Alex and June, completing the White House Trio with her trendsetting insights.

Ellen’s deputy chief of staff, known for her tough demeanor and personal involvement in Alex’s affairs.

Secret service agents who are supportive of Alex’s personal life and regarded as close to the White House family.

A Colorado senator who is openly gay and initially seems a political adversary but serves as a role model for Alex.

A Republican senator from Utah and Ellen's opponent, who is known for his unethical political maneuvers.

The reigning British monarch who upholds tradition but faces pressure to accept changes in her family.

Henry’s mother, who struggles with personal challenges following her husband's death.

Henry’s late father, a celebrated film actor who passed away during Henry’s adolescence.

Henry’s older brother and his brother’s wife, who adhere to traditional royal expectations.

Henry’s older sister and a supportive figure within his family, overcoming personal battles in light of past tragedies.

Henry’s equerry, known for his discretion and surprising personal developments.

Henry’s best friend, a wealthy heir and philanthropist supportive of Henry's personal relationships.