| | | | Book 1 |
| 1 | Miriam | | Mokthar's girlfriend. |
| | Noam | Chomsky | A Muslim Yemeni-American. |
| | Mokthar (1) | Alkhanshali | Doorman. Lobby ambassador. Scion of the Al-Shanan Tribe. |
| | Wallead | Alkhanshali | Mokthar's younger brother. Helped Mokthar get job as doorman. |
| | Sayed | Darwoush | Event organizer. |
| | Jeremy | | One of the even organizers. |
| | Ibrahim Ahmed | Ibrahim | Mokthar's friend. |
| 2 | Faisal | Alkhanshali | Mokthar's father. |
| | Bushra | Alkhanshali | Mokthar's mother. |
| | Sabah | Alkhanshali | Mokthar's sibling. |
| | Khaled | Alkhanshali | Mokthar's brother. |
| | Afrah | Alkhanshali | Mokthar's sister. |
| | Fowaz | | Mokthar's sister. |
| | Mohamed (1) | | Mokthar's brother. |
| | Hamood | Al Khanshali | Mokthar's grandfather. |
| | Zafaran | Al Eshmali | Mokthar's grandmother. |
| | Omar | Ghazali | Mokthar's family friend. The man who lends Mokthar money. |
| | Maria | | The Infinity manager. |
| | | | The Infinity - The place where Mokthar worked. |
| | Mr. | Agawal | Woman who lives at The Infinity. |
| | James | Blackburn | One of the oldest residents of The Infinity. |
| 3 | | | Nob Hill - One of the most expensive neighborhoods in the US. |
| 4 | Ghassan | Toukan | Mokthar's after-school program tutor. |
| | Ali | Shanin | Mokthar's like-minded accomplice. |
| | Ahmed (1) | | Toukari's tutoring center disrupter. |
| | Hatham | | Toukari's tutoring center disrupter. |
| 7 | Michael | Li | Former marine. Sales Manager for Honda. Mokthar's boss. |
| | Rafik | | Mokthar's uncle. |
| | Rakan | | Mokthar's uncle. |
| 8 | Sitr | | Mokthar's maternal grandmother. |
| | Ali | | Sitr's husband. Mokthar's maternal grandfather. |
| | Taj | | Rakan's son-in-law. Ran Sitr's business. |
| | Andrea | | Taj's wife. |
| | Khitam | | Andrea and Taj's daughter. |
| | Cesar | Chavez | Organizer of farm workers. |
| | Dolores | Huerta | Sitr's acquaintance. |
| | Nagi | Daifullah | A Yemeni-American farm worker. |
| | Mohamed | Mugali | A man that helped Mokthar. |
| | Ali Abdullah | Saleh | Yemen's president. |
| | Hesham | Hussein | Chemical engineer. Delegation member. |
| 9 | Justin | Chen | Mokthar's friend in UC Berkeley. |
| | | | Book 2 |
| 10 | | | Hill Brothers - Built one of the buildings near The Infinity. |
| | Austin | | Set up coffee-importing business
- Arabian Coffee & Spice Mills. |
| | R.W. | |
Set up coffee-importing business - Arabian Coffee & Spice Mills. |
| | Ali Ibn Omar | Al-Shadhili | Holy man who brewed the first coffee. |
| | | | Qahveh Kaneh - First coffeehouse. |
| 11 | Andrew | Nicholson | Owner of Rayyan Mill. aka: Rayyan. |
| | Guiliano | | Teenager converted to Islam on his own. Mokthar's friend. |
| | Benish | | Guiliano's wife. |
| | Saudah | | Guiliano and Benish's daughter. |
| | Bada | Budan | Muslim Holy man. Coffee thief. |
| | Pieter van den | Broecke |
Dutchman successfully stole coffee seedlings from Mokha. |
| | Gabriel | de Clieu | French Navy officer. |
| | Francisco de | Melo Palheta | Brazilian army lieutenant colonel. |
| | Marie de Claude | de Vicq de Pontgibaud | Governor's wife. Melo's mistress. |
| 13 | Franz George | Kolshitsky | Young man who opened the first coffeehouse in Central Europe. |
| | James | Freeman | Owner of the Blue Bottle. |
| | Thomas | Hunt | Led the class in Blue Bottle. |
| | Graciano | Cruz | Thomas's acquaintance. Mokthar's new online friend. |
| 15 | Satori | Kato | Japanese who patented the instant coffee. |
| | Alfred | Peet | Man who opened coffee house & caught attention of Starbucks. |
| | Howard | Schultz | Starbucks CEO. |
| 16 | Rafik | | Mokthar's relative. |
| | Tadesse | Maskela | Exported Ethopian coffee. |
| | Willem | Boot | Owner of Boot's Coffee. Mokthar's mentor. |
| 17 | Catherine | Boot | Willem's wife. |
| | Jacob | Boot | Willem's father. |
| 18 | Stephen | Ezell | Willem's young staff. |
| | Jodi | Wieser | Willem's young staff. |
| | Marlee | Benefield | Willem's young staff. |
| | George | Howell | A famous coffee roaster. |
| 19 | Yassir | Al Khanshali | Mokthar's uncle. |
| | Fairouz | Al Khanshali | Yassir's wife. |
| | Camilo | Sanchez | Coffee expert. Willem's friend. |
| | | | Book 3 |
| 20 | Hifdih Allah | Al-Hubayshi | Biggest local trader of Coffee. |
| | Mohamed (2) | | Mokthar's uncle. |
| | Kenza | | Mohamed (2)'s wife. |
| | Taha | | Kenza's brother. |
| | Yasir | | Kenza's brother. |
| | Akram | | Janitor. Mohamed and Kenza's son. |
| | Shaykh Mohamed | Nashir Al Khanshali | Tribal leader of Al Dakh. Hamood's brother. |
| | Husseyn | Al Houthi | Rebel group leader. |
| | Vincent | Boot | Willem's son. |
| 21 | Loof | Nasab | A seasoned NGO worker and botanist. |
| | Yusuf | Hamady | Al-Amal Cooperative president. |
| | Yemeni | Willem | Coffee expert. A mentor. |
| | Tawakol | Karman | Won a Nobel during his time. |
| | Mohamed | Alemari | Event organizer in which Mokthar is Tawakol's translator. |
| | Ali | Mohamed | Head of Marketing and Sales from a different cooperative. |
| | Mohamed | Bazel | Yusuf's right hand man. |
| | Malik | | Yusuf's best farmer. |
| 22 | Nurideen | | Mokthar's first employee and cousin. |
| 23 | Dena | | Mokthar's 6-year-old niece. |
| | Joel | | Airport security man. |
| 25 | Abdo | Alghazali | One of the directors of Smeps. |
| | Arthur | Rimbaud | Young French poet. Drug addict. |
| | Warda | | Malik's wife. |
| | Ahmed (2) | | Malik's son. |
| | Sahbbir | Zafir | The man who owns the only processing plant in Yemen. |
| 26 | Ali | Al-Hajry | Right hand man of Andrew Nicholson. |
| | Jennifer | Nicholson | Andrew's wife. |
| | Sean | Marshall | Andrew's friend who owns a café in Houston. |
| | | | Book 4 |
| 28 | Cherif | Kouachi | Shot 11 people. Said's brother. |
| | Said | Kouachi | Shot 11 people. Cherif's brother. |
| | Amedy | Coulibaly | Shot a policeman. |
| | Mosed Shaye | Omar | Mokthar's acquaintance. aka: Yasin Mohammed Ali Alghazali. |
| 29 | Jeff | Rathke | State department spokesman. |
| | Marie | Harf | State department spokesman. |
| | Summer | Hasser | Mokthar's friend from social media. |
| 30 | Samir | | Mokthar's family driver. |
| | Sadeq | | Ali's friend. Drives Mokthar to Aden. |
| | Ahmed (3) | | Ali's friend. Drives Mokthar to Aden. |
| 32 | Mokthar (2) | | Mokthar (1)'s tukayo. Saved Mokthar's life. |
| 35 | Ammar | | Man who sent Mokthar to jail. aka: The Man in the Leather. |
| | Abdul | Wasr | Policeman. Helped Mokthar. |
| | Ramsi | | Mokthar (2)'s friend. |
| 37 | Mahmoud | | Mokthar's acquaintance. |
| | Adel | Fadh | Mokthar's tourist guide. Local judge and historian. |
| | | | Book 5 |
| 39 | Stephanie | | Works at Founder's Fund. Helped Mokthar find his investors. |
| | Peter | Thiel | Founder's Fund founder. |
| | Cyan | Banister | SpaceX and Uber investor. |
| | Homera | | Realtor. A friend of Mokthar's friend. |
| | Shagun | | Beautiful Indian woman. Mokthar's roommate prospect. |
| | Jim | Stauffer | The Infinity resident. |
| | Jeff | | Mokthar's roommate. |
| | Jonathan | | The Infinity's front desk man. |
| 40 | Salwa | Ibrahim | Ibrahim Ahmed Ibrahim's wife. |
| | Nick | | Mokthar's old workmate. |
