Dick Van Dyke's Character in Diagnosis Murder

This page is the CodyCross answer for the clue below from Futuristic City , Group 987, Puzzle 2 (Phage Therapy).

Question is: Dick Van Dyke's Character in Diagnosis Murder

and the answer is: MARKSLOAN

Word Meaning:

MARK — (heading) Boundary, land within a boundary.

Definitions from Wiktionary.