• Oscar Schnitzer was portrayed by actor Walter Janowitz.

• Oscar Schnitzer was the dog keeper. His job was to change the guard dogs at Stalag 13 once per week so the dogs would not become friendly with the prisoners.

• Oscar Schnitzer's 80-year-old father was featured in episode #56, "Killer Klink"  (1967).

• Schnitzer's niece, Heidi, appeared in episode #114, "The Purchasing Plan"  (1969).