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