| Ari |
Abramovich | Daughter of Sofia and Mikhail. |
| Mikhail |
Abramovich | Man who stole the violin for Mudocci. |
| Sacha |
Abramovich | Sofia's daughter. |
| Sofia |
Abramovich | Mikhail's wife. |
| Sofia |
Alves | Art history professor. Aka: Maria Sanchez. |
| Nicolò |
Amati | Violin maker. |
| Maria |
Bashkirtseff | Woman who bought the violin from Achille. |
| Nicola |
Benedetti | Scottish violinist. |
| Caroline |
Bradshaw | Former owner of the violin. |
| Mr. |
Catchpole | Child prodigy. |
| Agatha |
Christie | Author referenced. |
| Margot |
Clement | Original owner of the expensive violin. |
| William Andrew |
Clement | Margot's father; one of America's richest men. |
| Max |
Daunt | Gabrielle's violin tutor. |
| Mrs. |
Davies | Spanish teacher. |
| Luke |
Devlin | Baggage handler who bought the stolen violin. Aka: Skywalker. |
| Bella |
Edwards | Mudocci's accompanist. |
| Dr. |
Egan | Walter's oncologist. |
| Edward |
Elgar | Composer. |
| Edward |
Faulkner | Private investigator hired by Mr. Bradshaw. |
| David |
Garrett | Musician. |
| Philip |
Glass | Composer. |
| Catarina |
Guarneri | Wife of Giuseppe Guarneri. |
| Giuseppe |
Guarneri del Gesù | Violin maker; successor to Stradivari. |
| Daniel |
Hope | Contemporary violinist. |
| Alara |
Karman | Zita's sister. |
| Zita |
Karman | Girl who played Ouija board with her sister. |
| Dietmar |
Machold | Austrian violin dealer. |
| Bernie |
Madoff | Financier referenced. |
| David |
Margetts | Violinist at UCLA. |
| Erica |
Morini | Famous female violinist. |
| W. Meredith |
Morris | Author of a book on British violin makers. |
| Eva |
Mudocci | English violinist. Aka: The Nightingale. |
| Bartholomew |
Murphy | Instrument maker in Cork. |
| Lucas |
Olsson | Alara's fiancé; well-known skater. |
| Clara |
Ormond | William's girlfriend; killed by her sister. |
| Ursula |
Ormond | Clare's older sister. |
| Achille |
Paganini | Son of Niccolò Paganini. |
| Niccolò |
Paganini | Italian violinist. |
| Vincenzo |
Panormo | Student of Thomas Perry. |
| Thomas |
Perry | Notable 18th-century luthier. |
| Natalya |
Petrova | Dancer whom Anton likes. |
| Walter |
Pickering | Devlin's former history professor. |
| Claude |
Pierray | Parisian violin maker. |
| Anton |
Pushkin | Former owner of the violin. |
| William |
Rathbone | The violin maker. |
| Lady |
Ravenshaw | Lord Ravenshaw's wife. |
| Lord |
Ravenshaw | Margot's only living heir. |
| Dr. |
Raynal | Caroline's doctor. |
| Robert |
Schumann | Composer. |
| Mr. |
Sherlock | Museum guide. |
| Antonio |
Stradivari | Famous violin maker. |
| Gabrielle |
Wilding | Violin appraiser; Gregory Wilding's daughter. |
| Gregory |
Wilding | Walter's former colleague; Gabrielle's father. |
| Denis |
| One of Verity's hired thugs. |
| Derrick |
| Gregory's gym buddy. |
| Francesca |
| Hair salon owner; Melissa's boss. |
| Gaston |
| Verity's father. |
| Hayley |
| Gas station attendant. |
| Helga |
| Devlin's old campervan. |
| Imani |
| Gabrielle's student. |
| Imogen |
| Murphy's granddaughter. |
| Jack |
| One of Verity's hired thugs. |
| John |
| Apostle of Christ. |
| Karim |
| Devlin's co-worker. |
| Laura |
| Gabrielle's student. |
| Leslie |
| Owner of the wrong bag. |
| Mark |
| Apostle of Christ. |
| Matthew |
| Apostle of Christ. |
| Matthew |
| Roger's son. |
| Melissa |
| Devlin's girlfriend. |
| Nina |
| Maria's maid. |
| Pete |
| Guy in charge at Lost and Found. |
| Pete1995 |
| Person who chatted with Gabrielle online. |
| Roger |
| Gabrielle's colleague; restorer. |
| Satie |
| Gabrielle's cat. |
| Schubert |
| Roger's cat. |
| Summer |
| Devlin's ex-girlfriend. |
| Sybil |
| Caroline's chaperone. |
| Tracy |
| Roger's wife. |
| Trudy |
| Gabrielle's therapist. |
| Val |
| One of Verity's hired thugs. |
| Verity |
| Antique dealer. |