| Mr. | Aker | Xander's teacher. |
| Shirley | Ames | The chairman of the school board. |
| Toni | Andriesen | ALPACA's self-designated leader. |
| Tasha | Avery | The Emmas' teacher. |
| Chrissy | Baker | Dave Baker's daughter. |
| Dave | Baker | A geochemist at Darlton. |
| Franklin | Barnes | One of Rose's post docs. |
| Flora Wilson | Bianchi | Rose's acquaintance. |
| Justin | Bieber | Canadian singer-songwriter. |
| Caleb | Bingham | One of Emma Q and Emma Z's classmates. |
| Efim | Bogoljubov | A Russian-born German chess grandmaster. |
| Lizzie | Borden | The main suspect in axe murders of her father and stepmother. |
| Mikhail | Botvinnik | Russian-Soviet chess grandmaster. |
| Edward | Bowers | An orthopedist. |
| Jean | Byer | The interim associate vice provost for human resource mgt. |
| Julius | Caesar | A Roman general and statesman. |
| Coco | Chanel | French fashion designer. |
| Azra | Chaudhury | One of Rose's friends. |
| Charlie U. | Chaudhury | Aidan's twin brother. |
| George | Clooney | American actor, film director, producer, and screenwriter. |
| Christopher | Columbus | An Italian explorer and navigator. |
| Caitlin | Comstock | Rose's acquaintance. |
| Dr. | Dan | A therapist. |
| Keith | Duggan | Emma Q's classmate. |
| Ms. | Emory | Silea's new client. |
| Bobby | Fischer | American chess grandmaster. |
| Salo | Flohr | Czechoslovak and Soviet chess player and writer. |
| Jebanny | Ford | Xander's acquaintance. |
| Tessa | Frye | Lauren's daughter. |
| Xander | Frye | Lauren's son |
| Tazeem | Harb | The mayor's wife and Sam's friend. |
| Rose | Holland | A pediatric neurologist. |
| Joe | Jelinek | Superintendent of the Crystal city schools. |
| Katie | Johnston | One of Emma Q and Emma Z's classmates. |
| Elizabeth | Leighton | Head of the School, The Crystal Academy. aka: Bitsy. |
| John | Lennon | An English singer, songwriter. |
| Janelle | Lyman | Owner and Principal Instructor - Wild Horse Stables. |
| Géza | Maróczy | Hungarian chess player. |
| Wade | Meltzer | Bucky's father. |
| Andy | Millward | One of the ROMO coaches. |
| Richard | Nixon | 37th U.S. President. |
| Emma Holland | Quinn | Rose's daughter. Aka: Q. |
| Gareth | Quinn | Rose's husband. |
| Bonnie | Raitt | American blues singer, guitarist, songwriter, and activist. |
| Darla | Robbins | Mitch Stephenson's admin. |
| Arthur | Rubinstein | American-Polish classical pianist. |
| Adam | Sandler | American actor, comedian, and filmmaker. |
| Lucius | Seneca | Hispano-Roman Stoic philosopher, statesman, dramatist |
| Carter | Stanhope | A little cello prodigy. |
| Mitch | Stephenson | Rose's department chair. |
| Amy | Susskin | The team manager. |
| Caleb | Sykes | One of Emma Q and Emma Z's classmates. |
| Henry | Thoreau | American naturalist, essayist, poet, and philosopher. |
| Stephie | Turner | Emma Z's acquintance. |
| Beck | Unsworth | Azra's ex-husband. |
| Tom | Valiant | An artist. |
| Roger | Wicker | United States Senator. |
| Oscar | Wilde | Irish poet and playwright. |
| Mr. | Wilkins | The gifted-and-talented instructor. |
| Sue | Willis | A young principal. |
| Carl | Wingate | The dean of the medical school. |
| Virginia | Woolf | English writer. |
| Franklin K. | Young | An author. |
| | Young | A professor. |
| Atik | Yupanqui | Ch'ayña's grandson. |
| Pachacuti | Yupanqui | The ninth Sapa Inca of the Kingdom of Cusco. |
| Emma | Zellar | Samantha's daughter. Aka: Z. |
| Kev | Zellar | Samantha's husband. |
| Samantha | Zellar | One of Rose's friends. Aka: Sam. |
| Aidan | | One of Azra's son's. |
| Ainsley | | One who will assess the students portfolio. |
| Aquinas | | Lauren's dog. |
| Aristophanes | | A comic playwright or comedy-writer of ancient Athens. |
| Baashir | | The new midfielder. |
| Beecham | | A dog. |
| Blakey | | Kev's sister. |
| Bucky | | A soccer player. |
| Ch'ayña | | Silea's mother. |
| Chloe | | A pianist. Carl's daughter. |
| Connor | | Emma Z's acquaintance. |
| Cynthia | | Emma Z's test tutor. |
| Edgar | | Kev's father. |
| Euripides | | Tragedian of classical Athens. |
| Glen | | The chair of anesthesiology at the Medical Center. |
| Joey | | Meltzer's acquaintance. |
| Julian | | Lauren's husband. |
| Kiana | | Glen's daughter. |
| Kyler | | Atik's friend. |
| Lauren | | One of Rose's friends. |
| Leila | | A designer. |
| Lilly | | Rose's patient. |
| Logan | | A patient. |
| Miriam | | One who will assess the students portfolio. |
| Roy | | Sonja's son. |
| Sherry | | Mitch's wife. |
| Silea | | Atik's mother. |
| Sonja | | Beck's second wife. |
| Suze | | Kev's mother. |
| Tiago | | Silea's man. |
| Vince | | Carl's wife. |
| Will | | Amy's son. |
| Zeke | | One of the soccer players. |
