We don't have a biography for John Challis yet. Hang in there, or go ahead and contribute one.
Appearances
Countdown
Guest cast, played by John Challis
- Episode 75x73: Episode 73 (Oct 31, 2016)
- Episode 75x74: Episode 74 (Nov 1, 2016)
- Episode 75x75: Episode 75 (Nov 2, 2016)
- Episode 75x76: Episode 76 (Nov 3, 2016)
- Episode 75x77: Episode 77 (Nov 4, 2016)
- Episode 77x81: Episode 81 (Oct 25, 2017)
- Episode 77x82: Episode 82 (Oct 26, 2017)
- Episode 77x83: Episode 83 (Oct 27, 2017)
- Episode 77x84: Episode 84 (Oct 30, 2017)
- Episode 77x85: Episode 85 (Oct 31, 2017)
- Episode 77x86: Episode 86 (Nov 1, 2017)