Synopsis
Three criminals plan to break out of prison the day before their release in order to carry out a daring jewel robbery, intending to establish the perfect alibi by returning to jail afterwards. First however they must get out, a task made more difficult by a new, stricter prison officer.
Cast

Peter Sellers
Dodger Lane

Wilfrid Hyde-White
Soapy Stevens

Maurice Denham
Governor Horatio Bennett

Irene Handl
Mrs. Price

David Lodge
Jelly Knight

Lionel Jeffries
Chief Prison Officer Sidney Crout

Liz Fraser
Ethel

Bernard Cribbins
Lennie Price

Beryl Reid
Miss Pringle

Walter Hudd
Reverend Patterson

George Woodbridge
Chief Prison Officer Jenkins

John Glyn-Jones
Lawyer

Cyril Chamberlain
Day Gate Warder

Noel Hood
Miss Prescott
Wallas Eaton
Night Gate Warder

Mario Fabrizi
Jones

Thorley Walters
Colonel Parkright

Myrette Morven
Miss Meakin
Edwin Brown
Warder Charlie
Andrew Downie
Garden Warder
William Abney
Visiting Room Warder

John Wood
Captain

Robert James
Police Superintendent

Warren Mitchell
Tailor
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