https://www.metv.com/stories/darren-mcgavin-defied-his-agent-and-his-wife-to-take-the-role-of-carl-kolchak

"My agent said I shouldn't do it, that the script was terrible," said McGavin.

Darren McGavin's portrayal of Kolchak won him a guest appearance on another supernatural show (https://www.metv.com/stories/darren-mcgavins-portrayal-of-kolchak-won-him-a-guest-appearance-on-another-supernatural-show)

McGavin had left his mark on television.