| Ben | Amundsen | Janice's good friend. |
| Neil | Armstrong | American astronaut. |
| Julie | Asher | Ray's competitor. |
| Johann S. | Bach | A German composer. |
| Billy | Badass | A rapper. |
| James | Baldwin | American writer. |
| Ludwig van | Beethoven | A German composer. |
| Ezra | Bocquet | A police officer. |
| Albert | Bonavincenzo | Marks' lawyer. |
| Johannes | Brahms | A German composer, pianist, organist and conductor. |
| Adolph | Brodsky | A performer and a teacher. A Russian violinist. |
| Gary | Broussard | A science writer for the New York Times. |
| Max | Bruch | A German composer. |
| Jenny | Carlson | The first violinist. |
| Ray | Charles | American singer-songwriter. |
| Alicia | Childress | A private art detective. |
| Van | Cliburn | American pianist. |
| Anderson | Cooper | American broadcaster. |
| Kristoff van | Cordan | A German musical prodigy. |
| Arcangelo | Corelli | An Italian violinist and composer. |
| Pablo | de Sarasate | A Spanish violin virtuoso composer and conductor. |
| Lucas | Debargue | A French pianist. |
| Jessica | Deitcher | A self-proclaimed musical prodigy. |
| Dorothy | DeLay | One of a handful black kids to go to summer music camps. |
| Monica | DeLongue | Dean of music at LSU. |
| Antonin | Dvořák | A Czech composer. |
| Bob | Evans | American film producer. |
| Kevin | Fiore | An orchestra's conductor. |
| Jacob | Fisher | Owner of a musical instrument store and repair shop. |
| Mariamna | Gaevscaya | Ray's on-stage accompanist. |
| Ivan | Galamian | American-American musician. |
| George | Gershwin | An American pianist. |
| Claud | Gillian | The executive artistic director. |
| Whoopi | Goldberg | American actress, comedian, author and television personality. |
| Stephane | Grappelli | A French-Italian Jazz violinist. |
| Hilary | Hahn | American violinist. |
| Kelly | Hall | A professional violinist. |
| Colin | Handzo | Lawyer of Ray's family. |
| Professor | Harris | A teacher in music history and piano. |
| Joseph | Haydn | Austrian composer. |
| Jascha | Herfetz | An American violinist. |
| Suzanne | Herz | Markham University President. |
| Marie | Hodges | Alicia's alias. |
| Chad | Horner | One of the violinist. |
| Rachel Vetter | Huang | A violinist. |
| Langston | Hughes | American poet. |
| Mark | Jennings | Ray's rival. |
| Pilar | Jimenez | A hotel housekeeper. |
| Kwon | Jungho | A cellist. |
| | Kastenmeier | The judge. |
| Nigel | Kennedy | An English violinist. |
| Fritz | Kreisler | Austrian-American violinist. |
| Eugene | Lahman | One who made exquisite violin and stringed instruments. |
| Ms. | Lakeland | Bryce's accompanist. |
| Beth | Lamb | One of the band members playing viola. |
| Caitlin | Landuyt | Editor of Vintage Books and anchor. |
| John | Lennon | An English singer-songwriter. |
| Mikhail | Lezenkov | A Serbian contestant. |
| Christine | Long | One of the band members playing cello. |
| Andrea | Marks | Thomas Marks' great great great granddaughter. |
| Dante | Marks | One of the members of Marks family. |
| Edith | Marks | Thomas Marks' wife. |
| Holly | Marks | A violinist. |
| Leon | Marks | Ray's grandmother's grandfather. |
| Lobella | Marks | Thomas Marks' wife. |
| Nora | Marks | Ray's grandmother. |
| Thomas | Marks | The great great great grandfather of the Marks' clan. |
| Wynton | Marsalis | American trumpeter. |
| Henry | Mason | The conductor from the Wake Forest University Orchestra. |
| Rayquan | McMillian | The best American violinist. aka: Ray. |
| James | Meader | Janice's acquaintance. |
| Felix | Mendelssohn | A German composer, pianist, organist and conductor. |
| Yehudi | Menuhin | An American violinist and conductor. |
| Joseph | Meyerhoff | American businessman. |
| Leonid | Molchalin | One of the world's foremost Tchaikovsky's authorities. |
| Toni | Morrison | American novelist. |
| Wolfgang A. | Mozart | An Austrian composer of the Classical period. |
| Riccardo | Muti | An Italian conductor. |
| Niccolo | Paganini | Italian violinist. |
| Itzhak | Perlman | Israeli-American violinist. |
| Kyle | Rasmussen | A musical artist. |
| Maurice | Ravel | A French composer. |
| Tina | Reed | Nicole's best friend. |
| Tommy | Reed | The Benson Insurance Company representative. |
| Mischa | Rowland | One of the top Italian violin experts. |
| Nicole | Sellins | Ray McMillian's girlfriend. |
| Gil | Shaham | An American violinist. |
| Trombone | Shorty | American musician. |
| Dmitri | Shostakovich | A Russian composer. |
| James | Sinclaire | The groom. |
| Bill | Soames | The head of the FBI's art crime unit. |
| Isaac | Stern | American violinist. |
| Janice | Stevens | Ray's violin's teacher. |
| William Grant | Still | An American composer. |
| Gary | Stinson | Ray's orchestra instructor. |
| Antonio | Stradivari | An Italian luthier. |
| Barbra | Streissand | American singer. |
| Elizabeth | Sutton | The orchestra patron. |
| Svettlana | Svottsolov | A participant in Tchaikovsky's competition. |
| Taylor | Swift | American singer-songwriter. |
| David | Talbot | An American journalist. |
| Chuck | Taylor | American basketball player. |
| Samuel Coleridge | Taylor | A British composer. |
| Pyotr Ilyich | Tchaikovsky | A Russian composer. |
| Marcus | Terry | Nicole's boyfriend. |
| Alexa | Thompson | A Social Media Manager. |
| Ralph | Vaughan | A composer. |
| Kim | Wach | Ray's lawyer. |
| Alice | Walker | American novelist. |
| Sheila | Wallace | The festival director. |
| Lil | Wayne | American rapper. |
| Bryce | Webster | One of the students who joined the competition. |
| Annabeth | Wines | Leon's wife. |
| Stevie | Wonder | An American singer-songwriter. |
| Abraham | | One of the slaves who played the fiddle. |
| Adele | | An English singer-songwriter. |
| Adeline | | Edith Marks' daughter. |
| Aiden | | Ray's buddy. |
| Anne | | Roger's acquaintance. |
| Benjamin | | Elizabeth's husband. |
| Betty | | One of the slaves who played the fiddle. |
| Big Jim | | The overseer at Marks' field. |
| Charles | | A slave who played piano. |
| Cheryl | | Ray's mother's acquaintance. |
| Ellie | | One of Roger's guests. |
| Eric | | A clerk. |
| Ezra | | One of the masters in Marks' field. |
| Gene | | One of Ray's distant cousins. |
| Grace | | Ray's accompanist. |
| James | | One of Elizabeth's sons. |
| Janelle | | One of the students to participate for the regional concert. |
| Joyce | | Ray's aunt. |
| Kara | | Ray's new acquaintance. |
| Larry | | Ray's uncle. |
| LeShawnah | | Thurston's girlfriend. |
| Melachi | | Leon Marks' brother. |
| Melanie | | Sara's friend. |
| Mike | | The doorman. |
| Mike | | One of Roger's guests. |
| Ricky | | Cheryl's son. |
| Rita | | One of Ray's distant cousins. |
| Rochelle | | Ray's aunt. |
| Roger | | Sara's father. |
| Russel | | A slave who played the fiddle. |
| Sara | | The bride. |
| Shawn | | One of the students to participate for the regional concert. |
| Thurston | | Ray's uncle. |
| William | | One of the slaves who played the fiddle. |
| William | | One of Elizabeth's sons. |
