Will Louis Jr. nació el 14 de agosto de 1896 en Philadelphia, Pennsylvania, Estados Unidos. Fue un actor, conocido por The Parson's Horse Race (1915). Murió el 19 de marzo de 1974 en Los Ángeles, California, EE.UU..
His father was Will Louis, so he was known as Will Louis Jr. However, whereas his father spelled his middle name "Louis", Will Jr. seems to have preferred "Lewis" as clearly printed and signed on his WWII Draft Registration Card.