The film's protagonists are speed skaters. The competition scenes feature champions and medalists of the USSR, World, European, and Olympic championships: Ants Antson, Irina Egorova, Viktor Kosichkin, and Valentina Stenina.
Valentin Abramov
Liliya Aleshnikova
Aleksandr Belyavskiy
Vladimir Gusev
Yelena Ryabinkina
Vladimir Samoylov
Vladimir Tykke
Gennadi Yudin
Igor Okrepilov
