Williams picked up a shoulder injury in training on Thursday and Davies, who was already travelling to London as part of Wales’ 31-man strong squad, comes into the matchday 23.
WALES TEAM TO FACE ENGLAND, SUNDAY AUGUST 11 (KO 14.00 SKY SPORTS):
15. Liam Williams (Saracens) (55 Caps)
14. George North (Ospreys) (83 Caps)
13. Jonathan Davies (Scarlets) (73 Caps)
12. Hadleigh Parkes (Scarlets) (15 Caps)
11. Josh Adams (Cardiff Blues) (10 Caps)
10. Gareth Anscombe (Ospreys) (26 Caps)
9. Gareth Davies (Scarlets) (41 Caps)
1. Nicky Smith (Ospreys) (28 Caps)
2. Ken Owens (Scarlets) (64 Caps)
3. Tomas Francis (Exeter Chiefs) (40 Caps)
4. Adam Beard (Ospreys) (13 Caps)
5. Alun Wyn Jones (C) (Ospreys) (125 Caps)
6. Aaron Wainwright (Dragons) (8 Caps)
7. Justin Tipuric (Ospreys) (64 Caps)
8. Ross Moriarty (Dragons) (31 Caps)
Replacements:
16. Elliot Dee (Dragons) (18 Caps)
17. Wyn Jones (Scarlets) (12 Caps)
18. Dillon Lewis (Cardiff Blues) (12 Caps)
19. Jake Ball (Scarlets) (32 Caps)
20. Aaron Shingler (Scarlets) (17 Caps)
21. Aled Davies (Ospreys) (16 Caps)
22. Dan Biggar (Northampton Saints) (70 Caps)
23. Owen Watkin (Ospreys) (13 Caps)