Doctor Who The Twin Dilemma: Part One (Season 21, Episode 21)
TV-PG
TV Episode | 25 min | Adventure, Drama, Family

Primary photo for The Twin Dilemma: Part One

Doctor Who

The Twin Dilemma: Part One (Season 21, Episode 21)

TV-PG

TV Episode | 25 min | Adventure, Drama, Family

The Doctor struggles to adjust to his new self. Elsewhere a set of genius twins are kidnapped, whose mathematical computations can manipulate features of the universe. They're immediately put to work by aliens for an as yet unknown end.

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Cast	+ Add Cast
19 cast members

Name	Known for
Colin Baker The Doctor The Doctor See fewer	Doctor Who (1963)
Nicola Bryant Peri Peri See fewer	Doctor Who (1963)
Maurice Denham Edgeworth / Azmael Edgeworth / Azmael See fewer	The Day of the Jackal (1973)
Kevin McNally Hugo Lang Hugo Lang See fewer	Pirates of the Caribbean: The Curse of the Black Pearl (2003)
Edwin Richfield Mestor Mestor See fewer	Quatermass and the Pit (1967)
Dennis Chinnery Sylvest Sylvest See fewer	Doctor Who (1963)
Barry Stanton Noma Noma See fewer	The Infinite Worlds of H.G. Wells (2001)
Oliver Smith Drak Drak See fewer	Hellraiser (1987)
Helen Blatch Fabian Fabian See fewer	Wimbledon (2004)
Dione Inman Elena Elena See fewer	The Pickwick Papers (1985)
Gavin Conrad Romulus Romulus See fewer	Doctor Who (1963)
Andrew Conrad Remus Remus See fewer	Doctor Who (1963)
Sarah Best Ops Room Technician (uncredited) Ops Room Technician (uncredited) See fewer	Perfect Scoundrels (1990)
John Clamp Ops Room Technician (uncredited) Ops Room Technician (uncredited) See fewer	Doctor Who (1963)
Graham Cole Jacondan (uncredited) Jacondan (uncredited) See fewer	The Bill (1984)
Les Conrad Mestor's Guard (uncredited) Mestor's Guard (uncredited) See fewer	Beau Geste (1982)
Mike Mungarvan Jacondan (uncredited) Jacondan (uncredited) See fewer	Doctor Who (1963)
Keith Norrish Ops Room Technician (uncredited) Ops Room Technician (uncredited) See fewer	Spyder's Web (1972)
Steven Wickham 1st Gastropod (uncredited) 1st Gastropod (uncredited) See fewer	Time Trumpet (2006)