The 2nd unit, who were responsible for some of the big action-packed moments, including the now famous parachute car jump, were not credited, reported TMZ.
As many as 25 stunt workers, including one of late actor Paul Walker's stunt doubles were uncredited.
Universal has said that they are "looking into it".
"Furious 7" has become the 20th movie to reach the billion dollar mark and it could be well on its way to topping the list.