103-year-old Uncle Finney was played by 84-year-old Burt Mustin. Although this was his only appearance in Gunsmoke, he had 197 film acting credits, beginning in 1951 at age 67. Mr. Mustin passed away in 1977 at the age of 92.
The plot of this story is similar to the 1942 Warner Brothers comedy "Larceny Inc", in which Edward G. Robinson, Broderick Crawford, and Edward Brophy buy a small business with the intention of tunneling into the bank next door.