Countdown Episode #16.23 (1982– ) Online
- Original Title :
- Episode #16.23
- Genre :
- TV Episode / Game Show
- Year :
- 1982–
- Cast :
- Richard Whiteley,Catherine Clarke,Karen Loughlin
- Writer :
- Armand Jammot
- Type :
- TV Episode
- Time :
- 30min
- Rating :
- 6.5/10
Countdown Episode #16.23 (1982– ) Online
| Episode credited cast: |
 | Richard Whiteley | - | Himself - Host |
| Rest of cast listed alphabetically: |
| Catherine Clarke | - | Herself - Lexicographer |
| Karen Loughlin | - | Herself - Letters Hostess |
 | Sylvia Syms | - | Herself |
| Tony Vick | - | Himself - Contestant |
 | Carol Vorderman | - | Herself - Hostess |
