The son of actress Cybil Shepherd is under arrest after he allegedly tried to rob passengers on a plane bound for Philadelphia International Airport, MyFoxPhilly reports.

Philadelphia police tell MyFoxPhilly that Cyrus Zacharia Shepherd-Oppenheim, 22, was on a United flight from San Francisco to Philadelphia around 1 a.m. Tuesday.

RAW DATA: Police Statement on Shepherd's Son.

Shepherd-Oppenheim is being questioned regarding allegations he went through passengers’ luggage while they were sleeping, and was taking items.

Shepherd-Oppenheim was taken into custody at the airport and charges are pending.

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