At the 51 minute mark, Jenny is talking to her friend about finding a girl with a really loud voice. The veil of Jenny's hat falls down over her face, but as she leans in to whisper to her friend, her veil has been lifted back, but Jenny did not touch the veil.
After the coroner tells the photographer to take a picture of a recently murdered man who died with his eyes open, the actor playing the dead man visibly blinks twice.
When Jenny shoots Steve in the back, you hear the gunshot and he falls, but there is no bullet hole or blood on his coat.