Both the panther tank and tiger tank are reproductions based off of the Russian T-55 tank. As are most German armor used in films.
Although the upper hull work is done very well and could fool most, the chassis used is too short and not wide enough for both tanks.
Uniform are correct but due to battle, they would not look New
One American had a M1 Carbine with a bayonet lug. WWII M1 carbines did not have a bayonet lug under the barrel.