The following are known Action Replay Codes for 007: NightFire on Nintendo GameCube (GCN).

• Master Code (Must Be On)
  H5XA-2M95-7CCTU
  J28B-DABN-6KDK2
  H4WX-CDFT-D52F6
  CVR3-UJQ2-FCAUP
  R1PU-6NHM-4A1MM
  EYJ4-RVF1-HM6AN
  4381-EURF-BNE7T
  VT5T-U7DB-WZEJZ
  6FQT-A7F4-YVK4P
  VU1Y-GG9T-TEGX0
  XDHM-E0A2-T4G33
• Infinite Health
  DV4K-M15R-80HNH
  1VP0-C9C1-WH9WW
  TQWX-0PPH-HEMV8
• Have Infinite Gold Wolfram PP7
  2URA-2P9U-A2F4Z
  E89N-N6K7-RT09K
  BPWW-901Z-19TZ8
  EJJA-DAXP-G28CC