William Boyd Andy Clyde Rand Brooks Elaine Riley James Craven
61 minutes
Hoppy is an agent of the federal government investigating the counterfeiting of both U.S. and Mexican money. His only clues are the name "Mordigan" and a drawing of a comet.
8 October 1948
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| William Boyd | ... | Hopalong Cassidy |
| Andy Clyde | ... | California Carlson |
| Rand Brooks | ... | Lucky Jenkins |
| Elaine Riley | ... | Nora |
| James Craven | ... | Mordigan |
| George Archainbaud | ... | Director |