During World War II he served in the United States Army Air Corps.

Other film roles include that of a payoff man in The Outfit (1973), a California Highway Patrol officer in 1967's Hot Rods to Hell, Whitey, a communist suspect in The FBI Story (1959) and Lieutenant Hagerman in Alfred Hitchcock's North By Northwest (1959).

In that episode he and his comrade, in attempting to hijack goods from a truck driven by Paul Drake, are killed when their car loses control and rolls down the cliff, somewhat similar to the chase scene in Bullitt.

Genge was a member of a touring company that presented Hamlet in 19 cities in the United States in 1937.

[7] Genge's Broadway credits included Panic (1935), Hamlet (1936), Journey to Jerusalem (1940), Romeo and Juliet (1951) and Bernardine (1952).