Damon Wayans Roger Murtaugh Actor Clayne Crawford Martin Riggs Actor, Director Kevin Rahm Captain Brooks Avery Actor Jordana Brewster Dr. Maureen "Mo" Cahill Actor Keesha Sharp Trish Murtaugh Actor Johnathan Fernandez Scorsese Actor Michelle Mitchenor Detective Bailey Actor Dante Brown Roger Murtaugh Jr. Actor Chandler Kinney Riana Murtaugh Actor Andrew Creer Zach Bowman Guest Star Kristen Lee Gutoskie Molly Guest Star Rex Linn Nathan Riggs Guest Star Nathan Davis Jr. Ty Guest Star Ernie Hudson Peterson Guest Star Ali Stroker Nina Guest Star Nelson Lee Paul Mason Guest Star Matt Miller Executive Producer McG Executive Producer Dan Lin Executive Producer Jennifer Gwartz Executive Producer Nick Copus Director Silver Tree Director John Behring Director Maja Vrvilo Director Larry Teng Director Salli Richardson-Whitfield Director Eric Laneuville Director Omar Madha Director Steve Boyum Director