
Eight years after the third film, the OSS has become the world's top spy agency, while the Spy Kids department has since become defunct. Retired spy Marissa is called back into action, and to bond with her new stepchildren Rebecca and Cecil, she invites them along to stop the evil Timekeeper from taking over the world.
Marissa Wilson

Wilbur Wilson

Rebecca Wilson

Cecil Wilson

Danger D'Amo / Tick Tock / Time Keeper

Carmen Cortez

Juni Cortez

Uncle Machete

Spy Baby
Spy Baby
Voice of Argonaut

Argonaut
Young Danger
News Anchor
Head Scientist
Editor / Cameraman

Wilbur's Boss

OSS Agent #1
OSS Agent #2

Female OSS Agent

Henchman in Van

Agent Fine
Gregorio Cortez (uncredited)
