Merlin - Season 4 (2011) (season)
Directed by:
Alice TroughtonScreenplay:
Julian JonesCinematography:
Dale McCreadyCast:
Katie McGrath, Rupert Young, Tomiwa Edun, Emilia Fox, Colin Morgan, Eoin Macken, Tom Hopper, Santiago Cabrera, Bradley James, James Greene, Angel Coulby, Richard Wilson, Nathaniel Parker, Gemma Jones (more)VOD (3)
Plots(1)
Merlin faces his toughest challenge yet when Morgana's blinkered determination threatens not only Arthur's future, but the very balance of the world. With her magic stronger than ever, the sorceress summons the mighty Callieach to tear open the veil between the worlds. Hellish creatures pour forth, killing any who succumb to their touch. With Uther a shadow of his former self, it falls to Arthur and his loyal knights, including Lancelot, to protect the kingdom. But it will take more than just swords to vanquish their enemy and Merlin is shocked to the core when he discovers the only way to restore the equilibrium requires a sacrifice of unimaginable proportions. (BBC)
(more)Cast
![Katie McGrath](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/365/162365913_b58d62.jpg)
Katie McGrath
Ireland
Best series:
Merlin (2008) (series)
Dates (2013) (series)
The Tudors (2007) (series)
![Rupert Young](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/342/163342927_e21852.jpg)
Rupert Young
UK
Best series:
Shameless (2004) (series)
Hotel Babylon (2006) (series)
Foyle's War (2002) (series)
![Tomiwa Edun](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/343/163343145_c41857.jpg)
Tomiwa Edun
Nigeria
Best series:
The Hour (2011) (series)
Doctor Who (2005) (series)
Trying (2020) (series)
![Emilia Fox](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/342/163342992_bb5b0a.jpg)
Emilia Fox
UK
Best series:
Pride and Prejudice (1995) (series)
Inside No. 9 (2014) (series)
The Scarlet Pimpernel (1999) (series)
![Colin Morgan](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/342/163342900_a9cb57.jpg)
Colin Morgan
UK
Best series:
The Crown (2016) (series)
The Fall (2013) (series)
Doctor Who (2005) (series)
![Eoin Macken](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/252/166252685_5c8aa4.jpg)
Eoin Macken
Ireland
Best series:
Merlin (2008) (series)
Raw (2008) (series)
The Tudors (2007) (series)
![Tom Hopper](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/468/166468595_b0251f.jpg)
Tom Hopper
UK
Best series:
Game of Thrones (2011) (series)
Doctor Who (2005) (series)
Black Sails (2014) (series)
![Santiago Cabrera](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/108/163108679_0cf76e.jpg)
Santiago Cabrera
Venezuela
Best series:
Dexter (2006) (series)
Big Little Lies (2017) (series) - actor, a.f.
ShakespeaRe-Told (2005) (series)
![Bradley James](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/342/163342928_20afbf.jpg)
Bradley James
UK
Best series:
Homeland (2011) (series)
Medici (2016) (series)
The Liberator (2020) (series)
![James Greene](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/545/160545362_90ba06.jpg)
James Greene
UK
Best series:
The Crown (2016) (series)
Downton Abbey (2010) (series)
Call the Midwife (2012) (series)
![Angel Coulby](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/164/280/164280494_2befca.jpg)
Angel Coulby
UK
Best series:
Hustle (2004) (series)
Doctor Who (2005) (series)
Innocent (2018) (series)
![Richard Wilson](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/343/163343024_d87cdd.png)
Richard Wilson
UK
Best series:
Mr. Bean (1990) (series)
The Last Place on Earth (1985) (series)
Father Ted (1995) (series)
![Nathaniel Parker](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/163/343/163343044_a5b9de.jpg)
Nathaniel Parker
UK
Best series:
Bleak House (2005) (series)
Agatha Christie: Poirot (1989) (series)
A Confession (2019) (series)
![Gemma Jones](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/164/297/164297961_762e54.jpg)
Gemma Jones
UK
Best series:
The Crown (2016) (series)
Last Tango in Halifax (2012) (series)
Unforgotten (2015) (series)
![Katie Moore](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/949/160949991_e18d6e.jpg)
Katie Moore
Best series:
Call the Midwife (2012) (series)
Merlin (2008) (series)
The Paradise (2012) (series)
Greg Bennett
Best series:
Sherlock (2010) (series)
Downton Abbey (2010) (series)
Endeavour (2012) (series)
![John Hurt](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/843/160843644_e3b5c4.png)
John Hurt (narrator)
UK
Best series:
The Storyteller (1987) (series)
I, Claudius (1976) (series)
The Hollow Crown (2012) (series)