The Gambler: The Adventure Continues - Miniseries (1983)

A robbery gang stalks the train carrying professional cardsharp Brady Hawkes and his protege Billy Montana, then kidnaps Hawkes's son for ransom after failing to find the expected gold shipment aboard.

Hawkes and Montana gather a small army, including bounty hunter Kate Muldoon, to rescue Hawkes's son from the train robbers demanding a million-dollar ransom for the boy's release.