Listed in order of appearance. Only characters new to the series are listed. Characters named after nonfiction historical figures are underlined.
Olektor: Guardian of human body, Sovereign Protector of Kingdom of Stelladaurs
Zigmund: Guardian of human mind, Sovereign Protector of Kingdom of Stelladaurs
Afismat: Guardian of human soul, Sovereign Protector of Kingdom of Stelladaurs
Louis Pasteur
Dante Alighieri
Benjamin Franklin
William Shakespeare
Charles Darwin
Moses
Plato
Beatrice
Leonardo da Vinci
Hugo Grotius
Isaac Newton
Galileo
Raimondo: Folco Portinari's baker
Alighiero of Bellincione: Dante's father
Beatrice Portinari: Girl in love with Dante
Cilia de Caponsacchi: Folco's wife and Beatrice's mother
Folco Portinari: Head of Portinari estate; Beatrice's father
Manetto Donati: Wealthy banker; father of Gemma
Gemma Donati: Betrothed to Dante
John MacCulloch: Darwin's colleague; geologist
Truman Hadley: Darwin's gardener
Charles and Emma Darwin Children: Henrietta—Daughter, age 14; George—Son, age 12; Francis—Son, age 9; Elizabeth—Daughter, age 10; Leonard—Son, age 7; Horace—Son, age 6; William—Son, age 18; Charles—Son, age 1; Anne—Deceased daughter; Mary—Deceased daughter.
Emma Darwin: Charles's wife
Josephine: Darwin family governess
Thomas Jamieson: Petrologist
The Watchers: Alex, Thaddeus (Thad), Ezekiel (Zeke), Mila, Abigail, Emmett, Tessa, Shayla, Wyatt
The Beacons: Rachel, Logan, Aimee, Avery, Elleah, Frederick (Freckles), Clint, Cole, Kay, Cutler, Bailee
Nesori: Water-boy for Moses
Aaron: Moses' brother; Nesori's caregiver
Meet the characters who first appear in:
Finding Tir Na Nog
Fading Heart