Performed as actor on Broadway in such plays as "My Sister Eileen" and "A Bell for Adano" in the the 1930s

Acted in British films

Served in the US Air Force Signal Corps; worked with documentary filmmaker Robert Flaherty

After military service, became independent documentary filmmaker, producing 25 documentary films for the State Department, the Army and private industry

Directed and produced first feature, "With These Hands" (full-length, semidocumentary made for ILGW Union) which was nominated for an Oscar

Signed by Universal Pictures

Directed first fiction feature, "Girls in the Night/Life After Dark"

Producer (also director) of first fiction feature, "No Name on the Bullet"

John Landis had tried to mount a project for Arnold to direct, an unrealized remake of "Creature from the Black Lagoon"

Made a cameo appearance in John Landis's "Into the Night"