| Jeffrey |
Anderson | British heartthrob |
| Warren |
Beatty | American actor and filmmaker |
| James |
Bond | Fictional British Secret Service agent |
| Johannes |
Brahms | German composer |
| Ben |
Browning | First player arbitrarily ejected from a challenge |
| Paul |
Cézanne | French Post-Impressionist painter |
| Jimmy |
Choos | British luxury fashion house |
| George |
Clooney | American-French actor and filmmaker |
| Mrs |
Collins | Ben's mother |
| Dane |
Cook | American comedian and actor |
| Carla |
Crawley | Production head of the London company of Thank Heaven |
| Russell |
Crowe | Actor and film director |
| Matt |
Damon | American actor and film producer |
| Bette |
Davis | American actress |
| Patrick |
Dempsey | American actor |
| Bob |
Dylan | American singer-songwriter |
| Frédéric |
Fekkai | French hairstylist and entrepreneur |
| Karl |
Friedkin | Wealthy real estate developer |
| Ryan |
Gosling | Canadian actor |
| Hugh |
Grant | English actor |
| Hugh |
Jackman | Australian actor and singer |
| Jackie |
Kennedy | Former First Lady of the United States |
| Matt |
Lauer | American TV personality |
| Simon |
Le Bon | English singer |
| John |
Legend | American singer-songwriter and pianist |
| Judith |
Leiber | Hungarian-American fashion designer and businesswoman |
| Mary |
Louise | Jane's personal assistant |
| Claire de |
Lune | Brilliant student at Columbia |
| Jane |
Margaux | Protagonist, a lonely, insecure woman |
| Vivienne |
Margaux | Jane's mother |
| Elsie |
McAnn | Receptionist at ViMar Productions for twenty-eight years |
| Hugh |
McGrath | Jane's boyfriend |
| Ronnie |
Morgan | Hugh's business manager |
| Pablo |
Picasso | Spanish painter and sculptor |
| Owen |
Pulaski | Michael's acquaintance |
| Corinne Bailey |
Rae | English singer and songwriter |
| John |
Rodman | Doctor |
| Gerry |
Schwartz | Founder and chairman of Onex Corporation |
| Stephen |
Sondheim | American composer and lyricist |
| Dr |
Steven Collins | Ben's father |
| Cindy |
Two | Brilliant student at Columbia |
| Kevin |
Uxbridge | Assumed human identity of a Douwd |
| Felicia |
Weinstein | Hugh's pushy agent |
| Anna |
Wintour | Editor of Vogue |
| Agatha |
| Four-year-old girl, Michael's latest mission. Aka: Aggie |
| Ben |
| Colleen's fiancé |
| Bergdorf Goodman |
| Luxury department store founded in 1899 by Herman Bergdorf |
| Blythe |
| Michael's friend |
| Clarence |
| Jane's acquaintance |
| Colleen |
| Jane's old college roommate |
| Dwight |
| Colleen's ex-husband |
| Ellie |
| Kenneth's current girlfriend |
| Gigi |
| Purple stuffed poodle |
| Hector |
| Morning doorman |
| Holly |
| Patty's daughter |
| Howard |
| Jane's stepfather |
| Jack |
| One-year-old son of Jane and Michael |
| Jason |
| Celebrity hairdresser |
| Kenneth |
| Jane's father |
| Kwame |
| Six-year-old boy asking Jane for a scoop of eggs |
| Madonna |
| American singer-songwriter and record producer |
| Martha |
| Holly's friend |
| Martin |
| Doorman |
| Michael |
| Jane's imaginary friend |
| Patty |
| Waitress from the Olympia |
| Paul Stuart |
| Men's traditional Ivy style clothing brand |
| Raoul |
| Cook |
| Rishon |
| Woman Kevin Uxbridge fell in love with |
| Sam |
| Michael's acquaintance |
| Sparkle |
| Colleen's cat |
| Sting |
| English musician and former frontman of The Police |
| Tori |
| Vivienne's friend |