In 1815, Michael Martin, member of an Irish revolutionary society, turns highwayman to support it, and soon becomes an outlaw. In Dublin, he meets famous rebel "Captain Thunderbolt" and becomes his second-in-command, under the name "Lightfoot."
| Directing | Douglas Sirk | Director |
| Writing | W.R. Burnett | Novel |
| Writing | W.R. Burnett | Writer |
| Writing | Oscar Brodney | Writer |
| Production | Ross Hunter | Producer |
| Editing | Frank Gross | Editor |
| Sound | Heinz Roemheld | Music |
| Sound | Herman Stein | Music |
| Camera | Irving Glassberg | Director of Photography |
