Opening round groups and tee-off times (times in BST):
GB & Irl unless stated:

1300 B Mayfair (US), I Poulter
1311 S Verplank (US), N O’Hern (Aus), J Durant (USA)
1322 L Mize (US), T Clark (RSA), Troy Matteson (US)
1333 S Lyle, D Wilson (US), B Dredge
1344 B Crenshaw (US), J Kelly (US – am), D Love (US)
1355 C DiMarco (US), K Ferrie, S Stricker (US)
1406 G Player (RSA), J Guerrier (Fr – am), V Taylor (US)
1417 A Oberholser (US), N Fasth (Swe), Z Johnson (US)
1428 T Watson (US), C Wataby (US – am), F Funk (US)
1439 – M O’Meara (US), D Womack (US – am), S Appleby (Aus)
1450 B Langer (Ger), R Beem (US), C Montgomerie
1501 C Campbell (US), A Cabrera (Arg), JJ Henry (US)
1512 Open
1523 M Weir (Can), KJ Choi (Kor), H Stenson (Swe)
1534 F Couples (US), G Ogilvy (Aus), E Els (RSA)
1545 S Garcia (Sp), B Bryant (US), S Katayama (Jpn)
1556 P Mickelson (US), R Ramsay (am), A Scott (Aus)
1607 J-M Olazabal (Sp), C Howell (US), J Rose
1618 S Cink (US), T Hamilton (US)
1629 S Ballesteros (Sp), C Pettersson (SWE), P Goydos (US)
1640 I Woosnam, T Herron (US), R Karlsson (Swe)
1651 J Furyk (USA), R Pampling (Aus), B Curtis (USA)
1702 R Floyd (US), M_A Jimenez (Sp), J Sluman (US)
1713 R Allenby (Aus), B Wetterich (US), L Westwood
1724 S Micheel (US), JM Singh (Ind), B Crane (US)
1735 Open
1746 C Stadler (US), D Howell (Eng), S Ames (Can)
1757 R Goosen (RSA), J Rollins (US), Y Yong-Eun (Kor)
1808 M Campbell (NZ), L Glover (US), R Sabbatini (RSA)
1819 F Zoeller (US), D Clarke, J Edfors (Swe)
1830 M Calcavecchia (US), T Bjorn (Den), T Pernice (USA)
1841 P Harrington, J Kelly (US), L Donald
1852 T Woods (US), P Casey, A Baddeley (Aus)
1903 V Singh (Fij), B Quigley (US), H Tanihara (Jpn)
1914 T Immelman (RSA), C Villegas (Col), D Toms (US)