Jason's Department S (1969) recollection is achieved with old footage spliced with newly-shot material of Kazakov's photo. The character never appeared in the parent series.
King likens Marko to The Discobolus of Myron - a famous Ancient Greek sculpture of a discus-thrower.
Dana reads a paperback copy of Jason's Mark Caine thriller "Shadow of an Iron Man". Jason references "Opus One" - either another title or his debut book ("Istanbul Iliad"). Mark's brandy glass trick from "After You: Death" is mentioned.