Duncan MacLeod cannot die unless you cut off his head. He is a 400-year-old immortal who has seen his share of humanity's bad side. Still, he risks his life to save people from harm, when kinsman Connor returns, an evil Immortal Slan Quince challenges him to a battle to the last. After all, there can be only one.
| Actor | Role |
|---|---|
 Adrian PaulDuncan MacLeod | Duncan MacLeod |
 Alexandra VandernootTessa Noel | Tessa Noel |
 Stan KirschRichard H. 'Richie' Ryan | Richard H. 'Richie' Ryan |
 Christopher LambertConnor MacLeod | Connor MacLeod |
 Richard MollSlan Quince | Slan Quince |
 Wendell WrightSgt. Powell | Sgt. Powell |
 VanityRebecca Lord | Rebecca Lord |
 Christoph M. OhrtWalter Reinhardt | Walter Reinhardt |
 Christianne HirtAngie Burke | Angie Burke |
 Tim ReidSgt. Bennett | Sgt. Bennett |
 Ken KramerDoctor Kramer | Doctor Kramer |
 Kevin McNultyHarry Dawes | Harry Dawes |
| EElizabeth ClaridgeMolly Parker | Molly Parker |