Hugh O'Brian Wyatt Earp Actor Douglas V. Fowley Doc Holliday Guest Star Morgan Woodward Shotgun Gibbs Guest Star Ron Foster Johnny-Benind-the-Deuce Guest Star Patricia Donahue Clara Nelson Guest Star John Maxwell Shiloh Smith Guest Star Michael Emmet Hennings Guest Star James Seay Judge Spicer Guest Star Lester Vail Milligan Guest Star Roy Rowland Director Frederick Hazlitt Brennan Writer