Once the commanding officer of a cavalry patrol is killed, the ranking officer who must take command is an army doctor.
Comanche Station
GoodFellas
Through a Glass Darkly
Apocalypse Now
Jules and Jim
The Green Mile
Rashomon
The Exterminating Angel
Paths of Glory
Mickey 17
Rear Window
Body Double
True Grit
The Dark Knight
High and Low
A Woman Under the Influence
Rebel Without a Cause
Pink Floyd: The Wall
Once Upon a Time in America
One Flew Over the Cuckoo's Nest