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.
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
