CLOCK WORD
The solutions from 1 to 12 are all six-letter words ending with the letter R in the centre. Moving clockwise from 1, the letters in the outer circle will spell out the name of a British actress.
1. Big cat
2. Speaker
3. Reply
4. Digit
5. More tidy
6. Horn 7. Toil 8. Turmoil 9. Bearing 10. Pantry 11. Pencil rubber 12. Over there