During World War I, he was an Army lieutenant in France and reportedly wore his uniform in four war-themed films.

[1] Supporting cast included several regulars: Ruth Hiatt as Mabel Smith; Mary Ann Jackson as Bubbles Smith; Carole Lombard as Lillian; Andy Clyde as Uncle Dan; Leo Sulky as Jimmy's friend; Sunshine Hart as Jimmy's mother-in-law.

Produced by Mack Sennett the series included many of the regular Sennet characters: Tiny Ward, Vernon Dent, Irving Bacon, William McCall, Louise Carver, Barney Hellum, Billy Gilbert, etc.

The series is best remembered as the launching pad for Carole Lombard, who quickly eclipsed McKee in her fame.

[1] After retiring from acting, McKee focused his attention on The Zulu Hut, a restaurant that he originally opened in Los Angeles in the 1920s.