- Jay Hernandez (Thomas Magnum)
- Perdita Weeks (Juliet Higgins)
- Zachary Knighton (Orville 'Rick' Wright)
- Stephen Hill (Theodore 'T.C.' Calvin)
- Tim Kang (Gordon Katsumoto)
- Amy Hill (Teuila 'Kumu' Tuileta)
Magnum P.I. — S4E9
Episode: Better Watch Out
Air Date: 2021-12-10
Runtime: 43 min
Overview
A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia to reveal a family secret to Magnum and Katsumoto.