Bob Marley has appeared on The David Letterman Show, Late Night with Conan O'Brien, and Comedy Central. He can be seen in the film The Boondock Saints. Marley's comedic bits are mostly about life in Maine. His first television appearance was on Comedy Central. He also appeared as Detective Greenly in the movie The Boondock Saints, and reprised his role as Detective Greenly in The Boondock Saints II: All Saints Day. He been a guest host on XM Radio channels 97, Blue Collar Radio, and 99, RawDog Comedy; and, as of 2013, appears weekly on the Portland-based station Coast 93.1-WMGX in a segment called "The World According to Bob.