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