Suspense was a radio drama series that aired on CBS Radio from 1940 through 1962. Focusing on suspense thriller-type scripts, the show gained a reputation for providing "radio's outstanding theater of thrills" and managed to attract several leading Hollywood actors of the era. Often featuring high production values and gripping stories, Suspense truly stood out in its genre. Many of the show's best episodes were original radio plays created specifically for the series, with some classic stories and novellas adapted occasionally. The show attracted a wide array of A-list Hollywood stars, such as Cary Grant, Orson Welles, Joseph Cotten, and many others.

The show was broadcast for over twenty years, starting in January 1942, with a total of 947 performances. It went through several major phases, characterized by different hosts, sponsors, and director/producers. Nearly all (approximately 895) episodes are still available to collectors today. The series had a generous budget from CBS and in 1948, it became popular enough to be broadcast for a complete hour rather than just thirty minutes. The actor Robert Montgomery was brought in to introduce the plays while replacing the "Man in Black" character and occasionally starring in them. The show continued to produce high-quality drama and attract notable actors until the rise of television and budget constraints affected the industry. After airing its last two radio dramas on September 30, 1962, Suspense ended its run, marking a major milestone in radio drama history.

Sources: archive.org, wikipedia.org, otrcat.com