<P> Later, following Olivia, Lucas, and Markie's turns in the game, Brad is dared to withdraw his father's gun and make him beg for his life . However, in the act, Brad is shot and killed by an approaching officer . At the precinct, Olivia learns that Carter is Sam . </P> <P> Olivia, Markie, and Lucas find Sam and force him at gunpoint back to the ruins of the church in Mexico . There, Sam begins the ritual and is about to sever his tongue when it becomes Lucas' turn to play the game . Lucas is dared to kill either Olivia or Markie, which he refuses . Possessed by the demon controlling the game, Lucas is forced to kill Sam, before the latter can complete the ritual to end the game . He then proceeds to slit his throat and die . </P> <P> Olivia forces the demon to reveal to her whether or not there was a definitive way to end the game with Markie and herself alive . The demon reveals that now that Sam is dead, there is not - but they can draw more people into the game and prolong their turn in it . Olivia hastily records and uploads a video to YouTube, warning of the game and its rules, before challenging the viewers around the world to Truth or Dare, initiating them . </P> <Ul> <Li> Lucy Hale as Olivia Barron </Li> <Li> Tyler Posey as Lucas Moreno </Li> <Li> Violett Beane as Markie Cameron </Li> <Li> Hayden Szeto as Brad Chang </Li> <Li> Landon Liboiron as Carter / Sam </Li> <Li> Nolan Gerard Funk as Tyson Curran </Li> <Li> Sophia Ali as Penelope Amari </Li> <Li> Sam Lerner as Ronnie </Li> <Li> Aurora Perrineau as Giselle Hammond </Li> <Li> Tom Choi as Officer Han Chang </Li> <Li> Gary Anthony Williams as the voice of Calax, the demonic entity controlling the game . </Li> </Ul>

Who lived in the movie truth or dare