| | Abbott | One of the troopers. |
| Jessie | Arnold | One of the mushers. Jensen's love interest. |
| Paul | Banks | The bearded musher with the DOG cap. |
| Philip | Becker | State Trooper Aka: Phil. |
| Ken | Carpenter | The sergeant in Detachment D, Nome Post. |
| Ben | Caswell | The trooper pilot. |
| Wilbur | Close | One of the mushers. |
| Bomber | Cranshaw | The musher who found Ginny. |
| Ron | Cross | One of the mushers. |
| Rick | Ellis | One of the mushers. |
| Tom | Farnell | Ham operator. |
| Ruby | Fox | One of the mushers who helped Mike train his dogs. |
| John | Grasle | One of the mushers. |
| Roy | Hamilton | Race checker. |
| T. J. | Harvey | One of the mushers. |
| Emma | Holman | Matt Holman's wife. |
| Matt | Holman | The race marshall. |
| Patty | Jakes | Ryan's partner. |
| Alex | Jensen | State Trooper sergeant. |
| | Johnson | One of the mushers. |
| Edgar | Kalland | One of the last survivors of the 1925 serum relay to Nome. |
| Virginia | Kline | One of the mushers. Aka: Ginny. |
| George | Koptak | Veteran musher. |
| Bob | Lehrman | Helicopter pilot. |
| Mick | Lord | Race checker and former musher. |
| Tim | Martinson | One of the mushers. |
| Jim | Miller | The guy who's feeding Cranshaw's other dogs. |
| Gail | Murray | One of the mushers. |
| John | Murray | Gail Murray's father. |
| Red | Olson | A logger. |
| Dean | Osmar | The only person who won the halfway silver and the the race. |
| | Palmer | One of the troopers. |
| Bill | Pete | The musher who shot the dogs. |
| Emmett | Peters | One of the mushers who helped Mike train his dogs. |
| Susan | Pilch | One of the mushers. |
| Rod | Pollitt | One of the mushers. |
| Joe | Redington | Veteran musher. |
| Libby | Riddles | The first woman to win the Iditarod Trail Sled Dog Race. |
| James | Ryan | Veterinarian. One of the mushers. Aka: Jim. |
| Dale | Schuller | One of the mushers. |
| Steve | Smith | The twenty-first musher. |
| Mike | Solomon | Athabaskan musher from Kaftag. |
| Joseph | Stalin | General Secretary of the Communist Party of the Soviet Union. |
| Jules | Talburgen | The Swedish musher who caught Kline's dogs after her line broke. |
| Jan | Thompson | Jessie's friend. |
| Bill | Turner | The musher who found Koptak. |
| Alice | Yupanuk | Jessie's Eskimo friend. |
| Jon Van | Zyle | The official artist of the Iditarod for nearly thirty years. |
| Betsy | | One of Schuller's dogs. |
| Black Jack | | One of Cranshaw's dogs. |
| Bones | | One of Kline's dogs. |
| Brandy | | One of Cranshaw's dogs. |
| Bunker | | The one who taught Caswell to fly. |
| Chops | | One of Jessie's dogs. |
| Chuck | | Laboratory staff in Ophir. |
| Chunk | | One of Smith's dogs. |
| Comet | | Schuller's lead dog. |
| Cruiser | | One of Jessie's dogs. |
| Dave | | Laboratory staff. |
| Frank | | One of the race followers. |
| Harv | | One of the checkers. |
| Hike | | One of Jessie's dogs. |
| Hobo Jim | | A regular in the Nome Iditarod celebration. |
| Jake | | One of Smith's dogs. |
| John | | One of the mushers. |
| Jose | | One of Cranshaw's dogs. |
| Junkie | | Cranshaw's lead dog. |
| Kahl ú a Lou | | One of Cranshaw's dogs. |
| Linda | | Caswell's wife. |
| Mary Jane | | One of Cranshaw's dogs. |
| Mitsie | | Smith's smallest dog, |
| Pepper | | One of Schuller's dogs. |
| Rabbit | | One of Smith's largest dogs. |
| Rambo | | One of Kline's dogs. |
| Sadie | | One of Jessie's dogs. |
| Sally | | Alex Jensen's late fiancée. |
| Sally | | One of Kline's dogs. |
| Snow | | One of Cranshaw's dogs. |
| Speed | | One of Cranshaw's dogs. |
| Spook | | One of Smith's dogs. |
| Stout | | One of Cranshaw's dogs. |
| Tank | | Jessie's lead dog. |
