Ethan Shanfeld SPOILER WARNING: This interview contains spoilers for “The Bear,” including a surprise cameo. Matty Matheson has spent his career running restaurants. Now, he’s focused on a fictional one. With FX’s “The Bear,” the Toronto-based celebrity chef and restaurateur added actor to his resume, playing the loud, lovable and sometimes immature handyman Neil Fak in addition to his role as a culinary consultant and producer on the show.