Lucas Till Angus "Mac" MacGyver Actor George Eads Jack Dalton Actor Justin Hires Wilt Bozer Actor Tristin Mays Riley Davis Actor Meredith Eaton Matty Webber Actor Isabel Lucas Samantha Cage Actor William Baldwin Elwood Guest Star Kate Bond Jill Guest Star Louis Ozawa Dev Singh Guest Star Domenick Lombardozzi Gunman Guest Star Grant Springate Little Mac Guest Star Ian Patrick Mendes Blake Guest Star Reign Edwards Leanne Guest Star Luna Lauren Velez Cassandra Glover Guest Star Paul Downs Colaizzo Executive Producer Brett Mahoney Executive Producer David Von Ancken Executive Producer Henry Winkler Executive Producer Lee David Zlotoff Executive Producer Craig S O'Neill Executive Producer Marqui Jackson Writer Nancy Kiu Writer Bobby Roth Director