Merlin His Father's Son (Season 4, Episode 5)
TV-14
TV Episode | 42 min | Adventure, Drama, Fantasy

Merlin

His Father's Son (Season 4, Episode 5)

TV-14

TV Episode | 42 min | Adventure, Drama, Fantasy

Arthur faces his first true test as King when he incurs the wrath of the formidable Queen Annis. With the lives of thousands hanging in the balance, Arthur must find the strength to be his own man and become the leader Camelot so ...See moreArthur faces his first true test as King when he incurs the wrath of the formidable Queen Annis. With the lives of thousands hanging in the balance, Arthur must find the strength to be his own man and become the leader Camelot so desperately needs. Written by BBC See less

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Cast	+ Add Cast
18 cast members

Name	Known for
John Hurt The Dragon (voice) The Dragon (voice) See fewer	1984 (1984)
Colin Morgan Merlin Merlin See fewer	Belfast (2021)
Steven Hartley Caerleon Caerleon See fewer	Alexander: The Making of a God (2024)
Bradley James Arthur Arthur See fewer	The Liberator (2020)
Tomiwa Edun Sir Elyan (as Adetomiwa Edun) Sir Elyan (as Adetomiwa Edun) See fewer	What Happened to Monday (2017)
Nathaniel Parker Agravaine Agravaine See fewer	The Inspector Lynley Mysteries (2001)
Tom Hopper Sir Percival Sir Percival See fewer	Black Sails (2014)
Rupert Young Sir Leon Sir Leon See fewer	Doc Martin (2004)
Eoin Macken Sir Gwaine Sir Gwaine See fewer	Resident Evil: The Final Chapter (2016)
Richard Wilson Gaius Gaius See fewer	One Foot in the Grave (1990)
Angel Coulby Gwen Gwen See fewer	Imagine Me & You (2005)
Lindsay Duncan Queen Annis Queen Annis See fewer	Birdman or (The Unexpected Virtue of Ignorance) (2014)
Katie McGrath Morgana Morgana See fewer	Jurassic World (2015)
Kyle Lima Caerleon's Guard Caerleon's Guard See fewer	The Way (II) (2024)
Robert Maillet Derian Derian See fewer	Sherlock Holmes (2009)
William Charles Camelot Knight (uncredited) Camelot Knight (uncredited) See fewer	Glow (2009)
John Ninnis Camelot Knight (uncredited) Camelot Knight (uncredited) See fewer	Mummy Fell Asleep (2009)
Sy Turner Camelot Knight (uncredited) Camelot Knight (uncredited) See fewer	The Machine (I) (2013)