Fess Parker (Davey Crockett) and Jeff York (Mike Fink) would later go on the following year to do Disney's Old Yeller, but never have a scene together in that movie
The movie was actually two episodes of Disney's tv show spliced together and released as a profitable feature film. Walt Disney filmed his show in color even though few color tv's were being sold, yet. As a result, his Davy Crockett episodes could be turned into instant movies by stitching the episodes together.
Jeff York would appear with Fess Parker again in the TV series "Daniel Boone" ('Grizzly') in 1966.
Pecos Bill in Tall Tale (also by Disney) says, almost word for word, what Captain Fink says when he introduces himself the Davey
Supporting actor Kenneth Tobey gained fame in the role of the heroic Air Force captain battling the alien in The Thing From Another World. His red hair kept him from lead roles in color films.