(Entry List)

No.DriversEntrantPrincipalMakeTypeModelEngineGr.
1Paul Richards (USA)CooperPorscheFM
2M. R. J. Wyllie (USA)LolaMk.1ClimaxGM
5Joe Sargent (USA)LolaMk.1GM
6Roger PenskeMecom Racing Team (USA)John MecomZerexSpecialClimaxDM>CM
9Nathaniel Day (USA)ElvaMk IVGM
10Charlie Kolb (USA)Porsche718RSKPorscheFM
11George Siomko (USA)Ferrari500 TRFerrariEM
13Noel White (USA)ElvaMk VGM
14Bob Holbert (USA)Porsche718RSKPorscheFM
16Dick ThompsonGrady Davis (USA)Grady DavisChevroletCorvette Grand SportChevroletCM
18Gordon Heald (USA)ElvaMk VIGM
19Fred Touchton (USA)PorscheRSPorscheFM
25David Sheff (USA)LotusGM
27Milton Passas (USA)LotusMark VIGM
28Bud Gates (USA)ApacheSpecialChevroletCM
29John Fitch (USA)John FitchGenieMk IVBMCGM
34Jake McLaughlin (USA)MerlynMk.4GM
37Art Tweedale (USA)LolaMk.1GM
43Skip Barber (USA)Lotus23FM
44Dave Guthrie (USA)ACAceBuickCM
47Augie Pabst (USA)De TomasoFM
49Dave Sharp (USA)LotusMark XBristolEM
52Charles Beckley (USA)ElvaMk IIIGM
55Tom Terrell (USA)Lotus19EM
57Joe Buzzetta (USA)PorschePorscheEM
66Leon Sacks (USA)VolvoSpecialVolvoEM
67Peter Sachs (USA)Lotus23FM
86Don Wolf (USA)ElvaGM
88Chuck Dietrich (USA)Gerald MongBobsyMark IIGM
91Bob Grossman (USA)John FulpFerrariDino 246 SPFerrariDM>CM
97Skip Scott (USA)ElvaMk VIGM
99Herb Swan (USA)Porsche718RS 61PorscheEM