| | | 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. |