Daniel Flynn McBride is an American stuntman and screenwriter, best known as one of the three creators of the Underworld film series.^[1] He first started in filmmaking performing stunts in the 1990s, introduced by Scott McElroy, with whom he formed company The Scuba Dudes Action Team.^[2] In 2000, he was introduced to director Len Wiseman by their shared agent, and Wiseman a few years later would ask him to write the final screenplay for Underworld. McBride would also write the two sequels that followed.^[3]

He also had a cameo in Underworld as Mason, a vampire loyal to Death Dealer Commander Kahn. His wife, Ildikó Kovács, also appears in the film in photographs of Samantha, the late fiancée of the character Michael Corvin.