Harry H. Corbett
Hemel Pike
Hugh Griffith
Joe Turnbull
Eric Sykes
The Mariner
Ronnie Barker
Ronnie
Julia Foster
Christine Turnbull
Miriam Karlin
Nellie Marsh
Eric Barker
Mr Parkes, the Foreman
Derek Nimmo
Dr. Scott
Norman Bird
Waterways Supervisor Albert Williams
Richard Briers
Tomkins
Brian Wilde
Policeman
George A. Cooper
Official in Office
Grazina Frame
Girl in Office
Jo Rowbottom
Cynthia
Edwin Apps
George (Barman)
Godfrey Winn
Announcer (voice)
Patricia Hayes
Onlooker (uncredited)
Michael Robbins
Bargee
Barbara Windsor
Factory Girl (uncredited)
Duncan Wood
The Bargee
Released
Bande-annonce