A former DEA agent and a former undercover operative revisit their romance during a fateful weekend in Taipei, unaware of the dangerous consequences of their past.
| Actor | Role |
|---|---|
 Luke EvansJohn Lawlor | John Lawlor |
 Gwei Lun-MeiJoey Kang | Joey Kang |
 Sung KangKwang | Kwang |
 Wyatt YangRaymond | Raymond |
 Pernell WalkerCharlotte Fields | Charlotte Fields |
 Zach IrelandAgent Simons | Agent Simons |
 Patrick LeeBolo | Bolo |
 Virginia ChienJournalist | Journalist |
 Lu Yi-chingJoey's grandmother | Joey's grandmother |
 Tou Tsung-huaPolice Detective | Police Detective |
| TTjarret YongSalesman | Salesman |
 Erin Adele ClarkAirport Counter Clerk | Airport Counter Clerk |
 Janet HsiehWoman in Bathroom | Woman in Bathroom |
 Alain FiglarzAgent Freddie | Agent Freddie |
| EEnrique ConcorSantiago | Santiago |