Gustav Knuth
as Walter Zügel, Caissonarbeiter
Viktoria von Ballasko
as Else, seine Frau
Josef Sieber
as Richard „Jolly“ Gauter, Caissonarbeiter
Carl Kuhlmann
as Hans Riemann, Caissonarbeiter
Hermann Speelmans
as Peter Klune
Heinz Welzel
as Werner Handrup
Lina Carstens
as seine Mutter
Gisela Uhlen
as Erika Bartels, seine Freundin
Eduard Wenck
as ihr Vater
Annemarie Holtz
as ihre Mutter
Jeanette Bethge
as Elses Nachbarin
