Columbia, 15 Chapters, 1938. Starring Warren Hull, Iris Meredith, Richard Fiske, Kenneth Duncan, Forbes Murray, Marc Lawrence, Don Douglas, and ? as The Octopus.
Universal, 12 Chapters, 1935. Starring Clark Williams, Noah Beery Jr., Jean Rogers, Delphine Drew, James Burtis, Pat J. O’Brien, Matthew Betz, Paul Ellis, Harry Worth, Herbert Heywood, Bryant Washburn.
Columbia, 15 Chapters, 1951. Starring Jock Mahoney, Virginia Herrick, William Fawcett, Hal Landon, Jack Ingram, George Eldredge, Rusty Wescoatt, Dick Curtis.
Universal, 13 Chapters, 1945. Starring Milburn Stone, Jan Wiley, Dennis Moore, Addison Richards, George Lynn, Byron Foulger, Al LaRue, Roland Varno, Sarah Padden, Russell Hicks, Maris Wrixon.
Columbia, 15 Chapters, 1949. Starring Robert Lowery, John Duncan, Jane Adams, Leonard Penn, Lyle Talbot, Lee Roberts, William Fawcett, Rick Vallin, Don Harvey.
15 Chapters, Republic 1940. Starring Eduardo Ciannelli, Robert Wilcox, Ella Neal, William Newell, C. Montague Shaw, Walter McGrail, Joe McGuinn, Dorothy Herbert.
Universal, 15 Chapters, 1934. Starring Buck Jones, Grant Withers, Marion Shilling, Walter Miller, Richard Cramer, Margaret LaMarr, Edmund Cobb, Charles K. French.