400 metres Freestyle, Men
Participants
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Greg Brough |  AUS |
| 2 | Greg Rogers | AUS |
| 3 | Graham White | AUS |
| 4 | Ralph Hutton |  CAN |
| 5 | Ron Jacks | CAN |
| 6 | Julio Arango |  COL |
| 7 | Gregorio Fiallo |  CUB |
| 8 | Fernando González |  ECU |
| 9 | Rubén Guerrero |  ESA |
| 10 | Friedrich Jokisch | ESA |
| 11 | Francis Luyce |  FRA |
| 12 | Alain Mosconi | FRA |
| 13 | Jean-François Ravelinghien | FRA |
| 14 | Hans Faßnacht |  FRG |
| 15 | Werner Krammel | FRG |
| 16 | Alfred Müller |  GDR |
| 17 | Andrew Loh |  HKG |
| 18 | Bob Loh | HKG |
| 19 | Ronnie Wong | HKG |
| 20 | Mátyás Borlói |  HUN |
| 21 | Csaba Csatlós | HUN |
| 22 | Juan Alanís |  MEX |
| 23 | Guillermo Echevarría | MEX |
| 24 | Jorge Urreta | MEX |
| 25 | Ørjan Madsen |  NOR |
| 26 | Tony Asamli |  PHI |
| 27 | Władysław Wojtakajtis |  POL |
| 28 | Jorge González |  PUR |
| 29 | Michael Goodner | PUR |
| 30 | Pano Capéronis |  SUI |
| 31 | Sven von Holst |  SWE |
| 32 | Gunnar Larsson | SWE |
| 33 | Akhmed Anarbayev |  URS |
| 34 | Semyon Belits-Geyman | URS |
| 35 | Brent Berk |  USA |
| 36 | Mike Burton | USA |
| 37 | John Nelson | USA |
Non-starters
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Carlos van der Maath |  ARG |
| 2 | José Alvarado | ESA |
| 3 | Tony Jarvis |  GBR |
| 4 | Roosevelt Abdulgafur | PHI |