Seaton's final film and Martin's last western. The two had previously worked together on "Airport."
Rock Hudson, in his role as Commissioner McMillan in Cop of the Year (1972), visits the set of Showdown and interviews director George Seaton about a case under investigation.
When Dean Martin rides away from the ranch he shoots down the Massey sign from the gate. The signs were supported by a single post. When he returned the two remaining signs were supported by two posts.
L Q JONES is NOT in this picture....anywhere under any name!
L.Q. Jones having a prominent role in this film as Pecos is uncredited.