Plot: Steed impersonates Riordan, a forger soon to be released from prison, and gains the trust of gang-leader Hooper. Things seem to be going well until Hooper's second-in-command, known as the Cardinal, announces that Riordan's girlfriend is outside waiting to see him
Cast
Patrick MacneeJohn SteedPatrick Macnee was 38 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Mon, Feb 06 1922
Thu, Jun 25 2015
Thu, Jun 25 2015
Ian HendryDr. David KeelIan Hendry was 30 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Tue, Jan 13 1931
Mon, Dec 24 1984
Mon, Dec 24 1984
Delphi LawrenceDelphi Lawrence was 28 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Wed, Mar 23 1932
Thu, Apr 11 2002
Thu, Apr 11 2002
Alex ScottAvermanAlex Scott was 31 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Wed, Sep 18 1929
Tue, Jun 30 2015
Tue, Jun 30 2015
Michael RobbinsHenry FarrowMichael Robbins was 30 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Fri, Nov 14 1930
Fri, Dec 11 1992
Fri, Dec 11 1992
George MurcellNeedleGeorge Murcell was 35 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Fri, Oct 30 1925
Thu, Dec 03 1998
Thu, Dec 03 1998
Heron CarvicHeron Carvic was >> in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Unknown Birthday
Crew
Richard HarrisWriterRichard Harris was 27 in The Avengers - Season 1 - Square Root of Evil (Episode 3).
Birthday: Mon, Jan 01 1934