Il suo vero nome è Caryn Elaine Johnson.

Guinan: Booby Trap, Clues, Déjà Q, Ensign Ro, Evolution, Family, Galaxy's Child, Generations, Hollow Pursuits, I, Borg, Imaginary Friend, In Theory, Nemesis, Night Terrors, Rascals, Redemption - Part II, Redemption - Part I, Suspicions, The Best of Both Worlds - Part II, The Best of Both Worlds - Part I, The Child, The Dauphin, The Loss, The Measure of a Man, The Offspring, The Outrageous Okona, Time's Arrow - Part II, Time's Arrow - Part I, Yesterday's Enterprise.