- as Special Agent Leroy Jethro Gibbs
- as Jimmy Palmer
- as Special Agent Timothy „Tim“ McGee
- as Kasie Hines
- as Special Agent Eleanor „Ellie“ Bishop
- as Leon Vance
- as Special Agent Nicholas „Nick“ Torres
- as Donald Mallard
- as Young Leroy Jethro Gibbs
- as Jonny Zucado
- as Edward Scott
- as Dr. Magnus
- as Emilio 'Freckles' Zucado
- as Michelle Stamos
- as Young Donald Mallard
- as Jack Sloane
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