The Conjuring has genre ThrillerThriller has examples: Shark Night. Shark Night is starring Katharine McPheeShark Night is starring Katharine McPhee
[Human]: I really liked The Conjuring. Do you have any recommendations for something similar? [Assistant]: Would you like another thriller? [Human]: Yes, please! [Assistant]: Shark Knight is another great thriller and so is urban legends [Human]: Does Katharine McPhee star in Shark Night? I think I've seen that one. 
No, Katharine McPhee did not star in Shark Night. She starred in the House Bunny and Mama Mia instead.