Today, he may be best remembered as the star of the 1950s television series, Captain Midnight (Jet Jackson, Flying Commando in syndication), based on a long-running radio program of the same name and Border Patrol.

Webb was discovered by Paramount Pictures in 1940[2] where he was soon engaged as a contract player appearing in such films as I Wanted Wings, Sullivan's Travels and This Gun for Hire .

In still another 1960 role, Webb was cast as Thomas Francis Meagher in the 1960 episode "The General Who Disappeared" on the syndicated television anthology series, Death Valley Days.

In 1963, Webb also portrayed George C. Belter, the murdered owner of Spicy Bits, a gossip magazine, in the Perry Mason episode, "The Case of the Velvet Claws.

Webb wrote four books, Great Ghosts of the West, Voices From Another World and These Came Back, about psychic phenomena and the occult, and The Laughs on Hollywood, a collection of anecdotes about the entertainment industry.