Detective David Tapp is a fictional character from the Saw film franchise, portrayed by Danny Glover. Introduced in Saw (2004), he is a police detective investigating a series of crime scenes linked to the same murderer, later revealed to be the Jigsaw Killer, and serves as one of the film's protagonists. Tapp has also made minor appearances and was mentioned in Saw III (2006), Saw IV (2007), and Saw V (2008). He appearead as a playable character in both Saw: The Video Game (2009), in which he was voiced by Earl Alexander, and Dead by Daylight (2016).