Kadro (19)
Harry H. CorbettHemel Pike
Hugh GriffithJoe Turnbull
Eric SykesThe Mariner
Ronnie BarkerRonnie
Julia FosterChristine Turnbull
Miriam KarlinNellie Marsh
Eric BarkerMr Parkes, the Foreman
Derek NimmoDr. Scott
Norman BirdWaterways Supervisor Albert Williams
Richard BriersTomkins
Brian WildePoliceman
George A. CooperOfficial in OfficeGrazina FrameGirl in Office
Jo RowbottomCynthiaEdwin AppsGeorge (Barman)Godfrey WinnAnnouncer (voice)
Patricia HayesOnlooker (uncredited)
Michael RobbinsBargee (uncredited)
Barbara WindsorFactory Girl (uncredited)