There is one protracted WWII scene with much gun fire, a scene where one character is in a violent labor that flashes back and forth between her husband having to amputate a soldiers arm on the battlefield.
A few domestic and barroom squabbles with some slapping, or Caitlin beating Dylan's head against the floor.
One scene involving a neighbor wrenching his rifle away from his wife, knocking her out in the process, and then shooting up the neighbor's house, culminating with him threatening to blow every one up with a grenade.
A sailor beats Dylan Thomas badly, who is left bloodied and lying in urine.
A woman crashes a bike and cuts open her head, which requires sutures.
It's WWII, there are several scenes where bombs are going off in and around where the characters are, scary but not particularly bloody.