The film had its world premiere at the LA Film Festival on June 24 , 2010 and was here introduced by Eli Roth and Daniel Stamm . Members of the cast were also introduced on stage , Patrick Fabian , Ashley Bell , Louis Herthum , Caleb Landry Jones , Iris Bahr , and Tony Bentley . '' The Last Exorcism '' was the last screened film on August 30 , 2010 , on the Film4 FrightFest 2010
LA Film Festival
LA Film Festival
The Last Exorcism