- as Vanya Hargreeves
- as Five
- as Older Five
- as Luther Hargreeves
- as Diego Hargreeves
- as Klaus Hargreeves
- as Allison Hargreeves
- as Ben Hargreeves
- as Herb
- as Lila Pitts
- as Harlan
- as Sissy
- as Reginald Hargreeves
- as Mr. Edelman / Pale Man
- as Carl Cooper
- as The Handler
- as Raymond Chestnut
- as Member of MJ 12 #1
- as Member of MJ 12 #2
- as Hoyt Hillenkoetter
- as Dressmaker
- as Switchboard Operator
- as Husband
- as Wife
- as Young Vanya (Age 4) (uncredited)
- as Vice President Lyndon B. Johnson (Archive footage)
- as First Lady Jacqueline Kennedy (Archive footage)
- as President John Fitzgerald Kennedy (Archive footage)
- as Leonard Peabody (uncredited) (Archive footage)
- as Lady in Red (uncredited)
- as Businessman (uncredited)
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