Ubåt 39

Eva Dahlbeck

Maria Friberg

Karl-Arne Holmsten

Herman Friberg

Gunnel Broström

Anna

Lars Ekborg

Gunnar Friberg

Harriet Andersson

Harriet, Gunnar's girlfriend

Lennart Lindberg

Captain Sundström

Erik Hell

First Mate

Ove Tjernberg

Crew member

Gunnar Hellström

Harriet's escort

Bibi Andersson

Girl on a train

Bengt Blomgren

Navy officer