| | | | Book 1 |
| 1 | Amerigo | Bonasera | A
Sicilian-American undertaker. Don Corleone's friend. |
| | Vito | Corleone | Protagonist.
Aka: Don Corleone, Vito Andolini. |
| | Johnny | Fontaine | Don Corleone's
godson. A singer. |
| | Margot | Ashton | Johnny's 2nd
wife. A famous actress. |
| | Vito | Nazorine | The baker. Don
Corleone's childhood friend. |
| | Katherine | Nazorine | Nazorine's
daughter. |
| | Enzo | | Nazorine's helper. |
| | Filomena | Nazorine | Nazorine's
wife. |
| | Constanzia | Corleone | Don
Corleone's daughter. Aka: Connie. |
| | Santino | Corleone | Don
Corleone's oldest son. |
| | Lucy | Mancini | Connie's maid of
honor. Sonny's mistress. |
| | Frederico | Corleone | Don
Corleone's 2nd son. Aka: Fred, Fredo. |
| | Michael | Corleone | Don Corleon's
youngest son. The next Don (later). Aka: Mike. |
| | Kay | Adams | Michael's
girlfriend. |
| | Anthony | Coppola | One of
Connie's wedding guests. |
| | Luca | Brasi | Don Corleone's
personal enforcer. |
| | Carlo | Rizzi | Connie's husband. |
| | Paulie | Gatto | One of Clemenza's
men. |
| | Peter | Clemenza | Paulie's boss.
One of the Caporegime in the Corleone family. |
| | Nino | Valenti | Johnny Fontane's
childhood friend. |
| | Thomas | Hagen | Don Corleon's
friend. Aka: Tom. |
| | Congressman | Luteco | The
congressman. |
| | Sandra | Corleone | Sonny's wife. |
| | Jack | Woltz | The film producer. |
| | Virginia | Fontane | Johnny's
first wife. Aka: Ginny. |
| | Virgil | Sollozo | Don Corleone's
enemy. A mobster of the Sicilian mafia. |
| | Genco | Abbandando | Don
Corleone's Consiegliere/Counselor. |
| | Les | Halley | Johnny's former
band leader. |
| | Dr. | Kennedy | The Corleone's
family doctor. |
| | Billy | Goff | The most powerful
man in the movie labor. |
| | Khartoum | | The famed English
racing horse. |
| | John Edgar | Hoover | The director
of FBI. |
| | Jerry | Wagner | The punks that
Paulie Gatto punished. |
| | Kevin | Moonan | The punks that
Paulie Gatto punished. |
| 2 | John | Phillips | The detective. |
| | Tessio | | One of Don Corleone's
caporegime. |
| | Ray | Farrell | The communication
operator to Don Corleone's payroll. |
| 4 | Theresa | Hagen | Tom's wife. |
| | Phillip | Tattaglia | Don
Corleone's enemy. The prostitution business owner. |
| | John | Tattaglia | Phillip's
oldest son. |
| 6 | Rocco | Lampone | Clemenza's
associate. |
| | Vera | Mario | A restaurant owner. |
| 7 | Bruno | Tattaglia | The nightclub
manager. Phillip's youngest son. |
| 8 | Carmela | Corleone | Don
Corleone's wife. Aka: Mama Corleone. |
| 10 | Mark | McCluskey Sr. | The police
captain. |
| 11 | Mark | McCluskey Jr. | The police
captain's son. |
| | Jack | Dempsey | The bar owner. |
| | | | Book 2 |
| 12 | Sharon | Moore | Johnny's
companion. |
| | Ella | Fitzgerald | A Jazz singer. |
| 13 | Eddie | Neils | A musical
arranger. |
| | Deanna | Dunn | An actress.
Johnny's friend. |
| | Roy | McElroy | Waltz's press
agent. |
| | | | Book 3 |
| 14 | Fanucci | | The real Mafioso
chief. |
| | Mrs. | Colombo | The widow that
Don Corleone helped. |
| | Mr. | Roberto | Don Corleone's
landlord. |
| | Salvatorre | Maranzano | A mafioso
in New York. |
| | Al | Capone | An American
gangster. A crime's boss. |
| 15 | Detective | Siriani | Detective
Phillips's partner. |
| | Mr. | Adams | Kay's father. |
| | Mrs. | Adams | Kay's mother. |
| 16 | Sally | Rags | Carlo Rizzi's
writer. |
| | Coach | | Carlo Rizzi's writer. |
| | | | Book 5 |
| 20 | Carlo | Tramonti | Don Corleone's
companion. A gambler. |
| | Joseph | Zaluchi | The Don of
Detroit. |
| | Frank | Falcone | The Don who
controlled the movie unions. The Los Angeles Don. |
| | Anthony | Mollinari | The San
Francisco Don. |
| | Domenick | Panza | The Boston Don. |
| | Vincent | Forlenza | The Cleveland
Don. |
| | Anthony | Stracci | One of the New
York Dons. The New Jersey Don. |
| | Ottilio | Cuneo | The Upper New
York Don. |
| | Emilio | Barzini | The closest
ally of Tattaglia Family. |
| 21 | Felix | Bocchicchio | The man who
took the rap for Michael. |
| 22 | Jules | Segal | A surgeon. Lucy
Mancini's lover. |
| | Moe | Greene | A Jewish Mobster. |
| | Frederick | Kellener | A doctor.
Segal's friend. |
| | James | Tucker | A doctor. |
| | | | Book 6 |
| 23 | Don | Tommasino | The mafia
chief. Michael's protector. |
| | Dr. | Taza | Tommasino's uncle. |
| | Calo | | The man that Michael
befriended. Michael's guard. |
| | Fabrizzio | | The shepherd.
Michael's guard. |
| | Mr. | Vitelli | The café owner.
Apollonia's father |
| | Apollonia | Vitteli-Corleone |
Michael's wife. |
| | Filomena | | The midwife. |
| | | | Book 7 |
| 26 | Tina | | Johnny's girlfriend. |
| 27 | Albert | Neri | Michael's new
bodyguard. |
| | | | Book 8 |
| 30 | Tommy | | Albert Neri's nephew. |
| | Wax | Baines | The notorious pimp. |