Liam Neeson is a great dad, and a great movie dad as well!  Turns out that his particular set of movie skills are useful to prank his on screen daughter’s ex…

Maggie Grace visited Conan O’Brien to talk about Taken 3  and she shared one of the best prank phone calls we’ve ever heard about!!

The ex was giving her some trouble so….and Liam (Brian Mills) decided to help.

Maggie Grace: Liam Neeson Prank-Called My Ex-Boyfriend – CONAN on TBS