"Bat Masterson" guest stars included the character actor Robert F. Simon, who appeared as Harrison Whitney in the episode "Death by Decree", and Richard Eastham, who appeared in the 1961 episode "A Lesson in Violence". Stefanie Powers appeared in the 1961 episode named "Dead Man's Claim" (using the name Taffy Paul) as Ann, the niece of the boarding house owner. George Macready appeared as Clyde Richards in the 1961 episode "Tempest at Tioga Pass". Quintin Sondergaard appeared in various roles on the series five times between 1958 and 1961. Dan Sheridan was cast as Joe Rankin in the 1959 episode "Election Day". The lovely Allison Hayes had a recurring role as card dealer Ellie Winters in 7 episodes.