Jack Kelly plays a dual role in this episode--Bart Maverick and double Rod Claxton. He'd earlier played a dual role in Pappy.
In this episode we learn that Bart knows Morse Code and Semaphore.
Claxton: My own father wouldn't know the difference. Bart: Mine would.
Nice guest shots by Dawn Wells and Gerald Mohr are the highlights of this one. If there's one downside it's that Bart's double, Rod Claxton, doesn't get very much screen time to flesh out the character.