Other mistake: Brandon is wearing gloves but Phillip is not when they kill David. Afterwards, Brandon removes gloves from Phillip's hands.
Other mistake: When the old man was resuscitating the unconscious boy he kept his arm sticking up in the air. His arm should have been besides his body, limp and unmoving.
Other mistake: When Jack Warner puts on the Corporal's uniform how is that possible when he's handcuffed to George Cole? (00:16:00)