- as Vanya Hargreeves
- as Five
- as Luther Hargreeves
- as Diego Hargreeves
- as Klaus Hargreeves
- as Allison Hargreeves
- as Ben Hargreeves
- as Lila Pitts
- as Sissy
- as Otto
- as The Handler
- as Axel
- as Grace
- as Harlan
- as Raymond Chestnut
- as Older Five
- as Reginald Hargreeves
- as William Gates
- as Carl Cooper
- as Dot
- as Herb
- as Intructor
- as FBI Nurse
- as Young Allison (Archive footage)
- as Young Vanya (Age 4)
- as First Lady Jacqueline Kennedy (Archive footage)
- as President John Fitzgerald Kennedy (Archive footage)
- as Leonard Peabody (Archive footage)
- as Young Vanya (Archive footage)
- as Vanya's Birth Mother (Archive footage)
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