The all-girl school foil an attempt by train robbers to recover £2.5 million hidden in their school.
Frankie Howerd
Alphonse of Monte Carlo / Alfred Askett
Dora Bryan
Amber Spottiswood
George Cole
'Flash' Harry
Reg Varney
Gilbert
Raymond Huntley
Sir Horace, the Minister
Richard Wattis
Manton Bassett
Portland Mason
Georgina
Terry Scott
Policeman
