Other Recurring Characters
- Ben Thompson (Denver Pyle) – 4 episodes
- Dave Bennett (House Peters Jr.) – 4 episodes
- Bill Thompson (Hal Baylor) – 3 episodes
- Deputy Mike Teague (Kem Dibbs) – 3 episodes
- Mr. Cousin (Rico Alaniz) – 3 episodes
- Judge Ed Miller (Richard Travis) – 3 episodes
- Deputy Sam Leggitt (Robert Bray) – 3 episodes
- Mr. Brother (Rodd Redwing) – 2 episodes
- John Wesley Hardin (Phillip Pine) – 1 episode
- Ned Buntline (Lloyd Corrigan) – 1 episode
- Morgan Earp (Dirk London) – 1 episode
Marsh Murdock (Don Haggerty)

Episodes
Marshal Earp Meets General Lee; Wyatt Earp Comes to Wichita; The Man Who Lied; The Killer; King of the Cattle Trails; The Big Baby Contest; Frontier Journalism was Fearless; Rich Man’s Son; Ben Thompson Returns; Marshal Earp Plays Cupid; The Assassins; A Wise Calf; Mr. Cousin and Mr. Brother; The Bribe; The Frontier Theatre; Killing at Cowskin Creek; The Necktie Party; The Suffragette
Doc Fabrique (Douglas Fowley)

- Full Name: Dr. Andrew H. Fabrique (Wyatt Earp Comes to Wichita)
Episodes
Wyatt Earp Comes to Wichita; The Gambler; The Bank Robbers; The Big Baby Contest; Frontier Journalism was Fearless; The Buntline Special; Marshal Earp Plays Cupid; Mr. Cousin and Mr. Brother; The Bribe; The Suffragette; Hunt the Man Down
Judge Jewett (Sam Flint)

Episodes
Wyatt Earp Comes to Wichita; The Gambler; John Wesley Hardin; Frontier Journalism was Fearless; Rich Man’s Son; Ben Thompson Returns; A Wise Calf; The Bribe; The Pinkertons; The Suffragette; Hunt the Man Down
Bat Masterson (Mason Alan Dinehart III)

Episodes
Wyatt Earp Becomes a Marshal; Mr. Earp Meets a Lady; Bill Thompson Gives In; Marshal Earp Meets General Lee; Bat Masterson Again
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