Checkmate – Season 1
Anthony George
Don Corey
Doug McClure
Jed Sills
Sebastian Cabot
Dr. Carl Hyatt
28 Jan 1973
13 Sept 1974
28 Mar 1967
12 Jan 1967
11 Feb 2016
17 Jan 1975
21 Sept 1957
02 May 2022
08 Jan 1989
18 Jul 2021
06 Nov 2017
29 Mar 1996
02 Oct 1955
08 Apr 2008
23 Mar 1997
17 Aug 2021
21 Jan 2026
15 Jan 1981
22 Jan 2018
23 Sept 2002