Doomwatch By the Pricking of My Thumbs... (Season 2, Episode 5)
TV Episode | Sci-Fi, Drama

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Doomwatch

By the Pricking of My Thumbs... (Season 2, Episode 5)

TV Episode | Sci-Fi, Drama

The Doomwatch team investigates the myth about the XYY chromosome after a schoolboy is expelled for possessing it.

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Cast	+ Add Cast
30 cast members

Name	Known for
John Paul Dr. Spencer Quist Dr. Spencer Quist See fewer	Eye of the Needle (1981)
Simon Oates Dr. John Ridge Dr. John Ridge See fewer	Doomwatch (1972)
John Nolan Geoff Hardcastle Geoff Hardcastle See fewer	Batman Begins (2005)
Jean Trend Dr. Fay Chantry Dr. Fay Chantry See fewer	Doomwatch (1972)
Vivien Sherrard Barbara Mason Barbara Mason See fewer	Doomwatch (1970)
Colin Jeavons Botting Botting See fewer	St. Ives (1967)
Olaf Pooley Dr. Ensor Dr. Ensor See fewer	Crucible of Horror (1971)
Barry Stokes Stephen Franklin Stephen Franklin See fewer	Enemy Mine (1985)
Sally Thomsett Judy Franklin Judy Franklin See fewer	The Railway Children (1970)
Martin Howells Gerald Jenkins Gerald Jenkins See fewer	The Hobbit: The Battle of the Five Armies (2014)
David Janson Arnold McPherson Arnold McPherson See fewer	A Hard Day's Night (1964)
Robert Yetzes Painton Painton See fewer	If.... (1968)
David Jarrett Tom Avery Tom Avery See fewer	BBC Sunday-Night Play (1960)
Patrick Milner Airport Policeman Airport Policeman See fewer	The Black Tulip (1956)
Julie May Woman Shopper Woman Shopper See fewer	Jack the Ripper (1973)
Paula Smith Ground Hostess Ground Hostess See fewer	Doomwatch (1970)
Bernard Hepton Oscar Franklin Oscar Franklin See fewer	Get Carter (1971)
Patsy Byrne Mary Franklin Mary Franklin See fewer	Les Misérables (1998)
Una Billings Woman (uncredited) Woman (uncredited) See fewer
Derek Glynne-Percy Man (uncredited) Man (uncredited) See fewer	Naughty! (1974)
David Kempton Man (uncredited) Man (uncredited) See fewer
Natalia Lindley Woman (uncredited) Woman (uncredited) See fewer	The Onedin Line (1971)
Jay Neill Man (uncredited) Man (uncredited) See fewer	The Onedin Line (1971)
Garry O'Brien Man (uncredited) Man (uncredited) See fewer
Joanna Robbins Woman (uncredited) Woman (uncredited) See fewer	Six with Rix (1972)
Gregory Scott Man (uncredited) Man (uncredited) See fewer	The Avengers (1961)
Linzi Scott Woman (uncredited) Woman (uncredited) See fewer
Charles Shaw Hesketh Man (uncredited) Man (uncredited) See fewer	Emma (1972)
Jack Silk Man (uncredited) Man (uncredited) See fewer	UFO (1970)
Tina Simmons Airport Passenger (uncredited) Airport Passenger (uncredited) See fewer	RED 2 (2013)