William Hartnell as The Doctor

Peter Purves as Steven Taylor

Jackie Lane as Dodo Chaplet

John Alderson as Marshal Wyatt Earp

Martyn Huntley as Warren Earp

Victor Carin as Virgil Earp

Richard Beale as Bat Masterson

Anthony Jacobs as Doc Holliday

Reed De Rouen as Pa Clanton

William Hurndell as Ike Clanton

Maurice Good as Phineas Clanton

David Coleman as Billy Clanton

Sheena Marshe as Kate

Laurence Payne as Johnny Ringo

David Graham as Charlie

Shane Rimmer as Seth Harper