Square Root of Evil

Square Root of Evil is the third episode of Season 1, which aired on the 21st January 1961.

Previous Episode: Brought to Book

Next Episode: Nightmare

Synopsis
Steed learns from Five, a colleague of One Ten, that a forger is to be released from jail. The forger is taken to a safe house and Steed takes his place in a organization that is planning to flood the country with forged bank notes. While loading a truck, Steed feigns an injury so as to reach Dr Keel and inform him of the gang's plans. Keel returns with Steed and a fight ensues, after which the police are called in to mop up.

Cast

 * Dr David Keel - Ian Hendry
 * John Steed - Patrick Macnee
 * 5 - Heron Carvic
 * Secretary - Cynthia Bizeray
 * Bloom - Michael Robbins
 * Hooper - George Murcell
 * Warren - Vic Wise
 * The Cardinal - Alex Scott
 * Lisa - Delphi Lawrence
 * Carol Wilson Ingrid Hafner

Crew

 * Writer - Richard Harris
 * Director - Don Leaver
 * Designer - Patrick Downing
 * Producer - Leonard White