Editor’s note: This article includes spoilers for the game “Call of Duty: Modern Warfare 4.”

For Lanny Joon, playing one of the central characters in “Call of Duty: Modern Warfare 4” was a lifeline after nearly three years without work and a way to honor the father he lost last year.

Now in his 20th year as a professional actor, Joon provided the voice and motion capture for Ko Jin-Hyuk, a fictional Korean People’s Army lieutenant. 

The video game, the latest installment in the popular first-person shooter series, has climbed to the top of bestseller listsin