What do you look for in a successful thriller?

There are several key elements in which a thriller needs in order for it to be successul within the public. These key elements include:

Suspense
MacGuffin
Red herrings
Action
Cliff hangers
Tension

Sub genres
Characters
Enigmas
Society
Deadlines
Chases
Pursuits
Menice
Crime

Isolated place/desert/abandoned warehouse
Closed in locations/phone box/lifts

Using/jump cuts
dissolve cuts
straight cut
fade in

Close ups
Fast movement
Establishing shot
Point of view shot
Long shot
Cinematography

Non- digetic/tensed music/whispering from off screen
Digetic/dialogue/creaking doors/floorboards