[3] He later taught as a United States Army Air Forces flight instructor in World War II.

[4] Arlen is best known for his role as a pilot in the Academy Award-winning Wings (1927) with Clara Bow, Charles 'Buddy' Rogers, Gary Cooper, El Brendel, and his second wife, Jobyna Ralston, whom he married in 1927.

Arlen later appeared in the science fiction horror Island of Lost Souls (1932) with Charles Laughton, adapted from the H.G.

[5] In 1939, Universal teamed him with Andy Devine for a series of 14 B-pictures, mostly action-comedies with heavy reliance on stock footage from larger-scale films.

[6] Arlen appeared in westerns, such as Lawman, Branded, Bat Masterson, Wanted: Dead or Alive, Wagon Train, and Yancy Derringer, and in such drama/adventure programs as Ripcord, Whirlybirds, Perry Mason, The New Breed, Coronado 9, and Michael Shayne.