Glenn Morshower previously voiced Overlord in "Call of Duty: Modern Warfare 2".
The character of Captain John Price has a Liverpudlian accent, and historically Liverpool has had Irish and Welsh influences. Thus, Captain Price's surname is of Welsh origin; it comes from the patronymic "ap Prys" meaning "son of Rhys/Reese/Reece," and Rhys itself means "fiery warrior."
Jeff Leach, the actor who took over as the voice of Ghost in Call of Duty: Warzone, was originally going to reprise his role for the sequel. However, following the controversy in which he made sexist comments, he was fired by Activision and was replaced with Samuel Roukin.
At one point Alejandro gives an explanation for the word gringo, saying it dates to the 1846 Mexico-US War, refers to the Green coats worn by the US and is a short form of "Green go home." In fact it originated in Spain, the earliest record being 1787, and is most likely a garbled form of Griego, the word for Greek. Also the US army wore blue uniforms during the 1846 war