River Song – Alex Kingston
Mels – Nina Toussaint-White
Amelia Pond – Caitlin Blackwood
Young Mels – Maya Glace-Green
Young Rory – Ezekiel Wigglesworth
Zimmerman – Philip Rham
Carter – Richard Dillane
Anita – Amy Cudden
Jim – Davood Ghadami
Harriet – Ella Kenion
Adolf Hitler – Albert Welling
German officer – Mark Killeen
Professor Candy – Paul Bentley
Nurse – Eva Alexander
Female teacher – Tor Clark
Teselecta workers – Claudio Laurini, Dennis Gregory, Victoria Tomas, Jon Davey, Richard Knott, Kristian Arthur
Teselecta officers – Rachel Bond, Luke Grahame, Darius Walker
Nazi janitor – John Jenner
River Song ΓÇô Alex Kingston
Madame Kovarian ΓÇô Frances Barber
Fat One ΓÇô Charlie Baker
Thin One ΓÇô Dan Johnston
Lorna Bucket ΓÇô Christina Chong
Lucas ΓÇô Joshua Hayes
Dominicus ΓÇô Damian Kell
Madame Vastra ΓÇô Neve McIntosh
Jenny ΓÇô Catrin Stewart
Captain Harcourt ΓÇô Richard Trinder
Eleanor ΓÇô Annabel Cleare
Arthur ΓÇô Henry Wood
Commander Strax ΓÇô Dan Starkey
Dorium Maldovar ΓÇô Simon Fisher-Becker
Colonel Manton ΓÇô Danny Sapani
Henry Avery ΓÇô Hugh Bonneville
Toby Avery ΓÇô Oscar Lloyd
Voice of the Cybermen ΓÇô Nicholas Briggs
Cyber-Leader – Jon Davey
Cybermen – Kevin Hudson, Matthew Doman, Oliver Hopkins, Adam Sweet, Richard Tunesi, JJ Angel
Clerics – Jamie Morrison, Ian Burden, Luke Grahame
Headless Monks – Matthew Doman, Allan Gill, Ian Hilditch, Andy Jones, Dominic Kynaston, Claudio Laurini
Judoon Captain – Jon Davey
Baby Melody Pond – Harrison and Madison Mortimer
Amy and RoryΓÇÖs childhood friend Mels is revealed to be a regenerated Melody Pond. She hijacks the TARDIS and travels to Nazi Germany, where she attempts to kill the Doctor. Instead, she is exposed to compassion and begins to change. The Teselecta, a justice robot, hunts her for her crimes. Melody sacrifices her remaining regenerations to save the Doctor, becoming River Song and altering her destiny.
ΓÇ£LetΓÇÖs Kill HitlerΓÇ¥ follows Amy, Rory, and the Eleventh Doctor as they encounter River Song in 1930s Germany. A shape-shifting justice machine called the Teselecta is hunting a war criminal, but the situation becomes far more complex when RiverΓÇÖs identity is revealed.
River SongΓÇÖs origin story is explored in detail. She is shown at a critical turning point in her life, revealing how she becomes deeply connected to the Doctor across time.
The Teselecta is a time-travelling justice robot controlled by miniature humanoids. It is used to punish criminals by impersonating them and delivering justice from within.
Amy and Rory are drawn into the chaos surrounding River SongΓÇÖs origin and must deal with shifting timelines and emotional revelations about their future.
This episode deepens the River Song arc within Doctor Who, while continuing character development for the Eleventh Doctor and Amy Pond.
