Adam, a 14-year-old boy travels across the country to meet a series of men who could be his father after finding a letter with a list of names and addresses.
| Actor | Role |
|---|---|
 Oakes FegleyAdam | Adam |
 David DuchovnyJames | James |
 Eric HansonJacob #1 | Jacob #1 |
 Jason DowiesJacob #2 | Jacob #2 |
 Larry PineJacob #3 | Jacob #3 |
 T. R. KnightJacob Jr. | Jacob Jr. |
 Harrison HughesYoung Adam | Young Adam |
 Kim Jackson WheelerMary | Mary |
 Billy SlaughterThe Bounty Hunter | The Bounty Hunter |
 Kevin WayneRex | Rex |
 K. SteeleGwen | Gwen |
 Tracy PfauCrystal | Crystal |
| JJeanne CaldareraPrison Receptionist | Prison Receptionist |
| GGarrett KruithoffOfficer Charles | Officer Charles |
 Gerardo DavilaJulio | Julio |
 René MenaImmigrant | Immigrant |
 K.J. BakerRebecca | Rebecca |
| NNoah BrandAbraham | Abraham |
 Holly BonneySarah | Sarah |
| TTatum Meadow WittEsther | Esther |
| HHannah Smith PhillipsHannah | Hannah |
 Cedric GreenwaySheriff Daniels | Sheriff Daniels |
 Dana NamerodeLinda | Linda |
 Adrian LockettEddie | Eddie |
| TTrace McMullinDylan | Dylan |
| HHastings McMullinBaby Adam | Baby Adam |
 Darryl CoxSeminar Host | Seminar Host |
 David MoncriefAdam's First Partner | Adam's First Partner |
 Mitch WestphalAdam's Second Partner | Adam's Second Partner |
 Hartleigh BuwickAdam's Mother | Adam's Mother |