| Gene |
Autry | American singer, songwriter, actor |
| Jane |
Baxter | One of Ona's customers |
| Jeanne Louise |
Calment | Longest verified human lifespan |
| Mariah |
Carey | American singer-songwriter |
| Kate |
Chopin | American author |
| Shirley |
Clayton | Real estate agent |
| Perry |
Como | American singer and television personality |
| Walter |
Cronkite | American broadcaster |
| David |
Crosby | Quinn's former bandmate |
| Eugene |
Debs | Socialist political activist |
| Mr. |
Drapeau | Fiddle string buyer |
| Jim |
Durante | American actor and comedian |
| George |
Eliot | English writer |
| Mervin |
Fickett | Boy who gave Ona a jewel |
| AshrIta |
Furman | Guinness World Record holder |
| Louise |
Grady | Ona's best friend |
| Fred |
Hale | Oldest currently living male |
| Mr. |
Holmes | The show's owner |
| Ramona Trinidad |
Iglesias-Jordan | Oldest currently living female |
| Robert |
La Follette | American politician |
| Ted |
Ledbetter | Scoutmaster; Belle's new boyfriend |
| Andy |
Linkman | The boy's teacher. Aka: Mr. Lincoln |
| Dr. |
McNeil | Belle's doctor |
| Doctor |
Morton | One of the school's biggest donors |
| Quinn |
Porter | The boy's father |
| Elvis |
Presley | American singer and actor |
| John |
Reznikoff | Guinness World Record holder for hair collecting |
| Juke |
Richard | P.A. Belle is suing. Aka: Juke Blakely |
| Emmaline |
Simpson | Great-granddaughter of Lester Academy's founder |
| John |
Stanford | Earned 142 merit badges |
| Howard J. |
Stanhope | Ona's husband |
| Mrs. |
Stanhope | Howard's mother |
| Laurentas |
Stokes | Ona's son; heart surgeon |
| Maud-Lucy |
Stokes | Ona's childhood tutor |
| Mason |
Valentine | Headmaster at Lester Academy; Ona's former boss |
| Aldona |
Vitkus | Ona's mother |
| Jurgis |
Vitkus | Ona's father |
| Ona |
Vitkus | 104-year-old immigrant woman |
| Cousin |
Zack | Band member Quinn replaced |
| Led |
Zeppelin | English rock band |
| Alex |
| Quinn's bandmate |
| Allan |
| Quinn's brother |
| Amy |
| Belle's sister |
| Arianne |
| Receptionist at the nursing home |
| Belle |
| Quinn's ex-wife |
| Brandon |
| Sylvie's son |
| Colin |
| Alex's nephew |
| Dawna |
| Quinn's new boss |
| Doug |
| Sylvie's husband; Brandon's father |
| Finn |
| Librarian |
| Frankie |
| Ona's son |
| Freddy |
| Band leader |
| Gary |
| Quinn's bandmate |
| Jayson |
| Brandon's cousin |
| Jeff |
| Brandon's cousin |
| Randall |
| Ona's son |
| Rennie |
| Quinn's friend |
| Sal |
| Jailbreak's owner |
| Sylvie |
| Brandon's mother; Quinn's close friend |
| Tyler |
| Brandon's brother |
| Viktor |
| Tattoo man's apprentice; man Ona fell in love with |
