Also in the 1930s, Holtz became a regular on radio. He had long stints on The Rudy Vallee Show, The Paul Whiteman Show and others. Holtz ended with several radio shows of his own, including The Lou Holtz Laugh Club.
During the 1930s, Holtz frequently appeared on radio programs such as The Rudy Vallee Show, The Paul Whiteman Show, and more. He also hosted a series of his own radio shows, including The Lou Holtz Laugh Club.