The Deadly Air

The Deadly Air is the twenty fourth episode of Season 1, which aired on the 16th December 1961.

Previous Episode: Dead of Winter

Next Episode: A Change of Bait

Synopsis
When tests of a vaccine go horribly wrong, Steed and Dr Keel step in and discover that one of the scientists involved is trying to sabotage the project. While interrogating the suspect, they learn that it is another scientist is behind the scheme, who sets about locking Steed in a room that is booby trapped with a vial of lethal virus. Believing Steed to be infected, Keel then learns that the vials of virus had been replaced with vials of water by the project director as a security precaution and the real saboteur is flushed out.

Cast

 * Dr David Keel - Ian Hendry
 * John Steed - Patrick Macnee
 * Barbara Anthony - Ann Bell
 * Dr Philip Karswood - Michael Hawkins
 * Heneager - Keith Anderson
 * Herbert Truscott - Richard Butler
 * Dr Hugh Chalk - Allan Cuthbertson
 * Dr Owen Craxton - John Stratton
 * One Ten - Douglas Muir
 * Carol Wilson - Ingrid Hafner
 * Dr Harvey - Cyril Renison
 * Ken Armstrong - Anthony Cundell
 * Professor Kilbride - Geoffrey Bayldon

Crew

 * Writer - Lester Powell
 * Director - John Knight
 * Designer - Robert Macgowan
 * Producer - Leonard White