Ove Sprogøe as Hovmester Watson

Morten Grunwald as Knud Hansen

Helge Kjærulff-Schmidt as Skibsreder O. P. Andersen

Poul Bundgaard as Alf

Karl Stegger as Kaptajn Peter Nielsen

Poul Reichhardt as Maskinmester Bråst

Hanne Borchsenius as Lone Andersen

Birger Jensen as Halfdan

Henrik Wiehe as Styrmanden (som Henrik Wiehe)

Paul Hagen as Radiotelegrafist Marius Knudsen

Preben Kaas as Kokken

Eleni Anoussakis as Laura

Lily Weiding as Frk. Bruun

Sverre Wilberg as Skibsreder Amundsen

Odd Wolstad as Kaptajn på Harald

Bjørn Puggaard-Müller as Johansen

Stavros Christofides as Fyrbøder Alexander (uncredited)

Sotiris Moustakas as Hector (uncredited)

Anthony Papadopoulos as Aias (uncredited)

Gunnar Bigum as Regnskabschef (uncredited)

Lone Luther as Rengøringsdame (uncredited)

Holger Vistisen as Dørmand (uncredited)