Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Warren Brown (actor)
Table title:
Television
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 2004–2005 </td><td colspan=1 rowspan=1 > Shameless </td><td colspan=1 rowspan=1 > Donny Maguire </td><td colspan=1 rowspan=1 > 2 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005–2006 </td><td colspan=1 rowspan=1 > Hollyoaks </td><td colspan=1 rowspan=1 > Andy Holt </td><td colspan=1 rowspan=1 > 20 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Jane Hall </td><td colspan=1 rowspan=1 > Policeman 2 </td><td colspan=1 rowspan=1 > 2 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007–2009 </td><td colspan=1 rowspan=1 > Grownups </td><td colspan=1 rowspan=1 > Alex </td><td colspan=1 rowspan=1 > 12 episodes </td></tr>
<tr> <td colspan=1 rowspan=2 > 2007 </td><td colspan=1 rowspan=1 > Casualty </td><td colspan=1 rowspan=1 > John Fullman </td><td colspan=1 rowspan=1 > Episode: "The Line of Fire" </td></tr>
<tr> <td colspan=1 rowspan=1 > Mobile </td><td colspan=1 rowspan=1 > Tommo </td><td colspan=1 rowspan=1 > 2 episodes </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=5 > 2008 </td><td colspan=1 rowspan=1 > Casualty </td><td colspan=1 rowspan=1 > Chris Ryder </td><td colspan=1 rowspan=1 > Episode: "Life's Too Short" </td></tr>
<tr> <td colspan=1 rowspan=1 > Coming Up </td><td colspan=1 rowspan=1 > Campbell </td><td colspan=1 rowspan=1 > Episode: "And Kill Them" </td></tr>
<tr> <td colspan=1 rowspan=1 > Spooks: Code 9 </td><td colspan=1 rowspan=1 > Luke Blackwell </td><td colspan=1 rowspan=1 > Episode: "1.4" </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Dead Set </td><td class="highlighted"  colspan=1 rowspan=1 > Marky </td><td colspan=1 rowspan=1 > 5 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > The Bill </td><td colspan=1 rowspan=1 > Jake Clegg </td><td colspan=1 rowspan=1 > 2 episodes </td></tr>
<tr> <td colspan=1 rowspan=3 > 2009 </td><td colspan=1 rowspan=1 > Two Pints of Lager and a Packet of Crisps </td><td colspan=1 rowspan=1 > Alex </td><td colspan=1 rowspan=1 > Episode: "Comic Relief Special: When Janet Met Michelle" </td></tr>
<tr> <td colspan=1 rowspan=1 > Occupation </td><td colspan=1 rowspan=1 > Lee Hibbs </td><td colspan=1 rowspan=1 > 3 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > Criminal Justice </td><td colspan=1 rowspan=1 > PO Paul Gibby </td><td colspan=1 rowspan=1 > 3 episode </td></tr>
<tr> <td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > Single Father </td><td colspan=1 rowspan=1 > Matt </td><td colspan=1 rowspan=1 > 4 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > Accused </td><td colspan=1 rowspan=1 > David Wade </td><td colspan=1 rowspan=1 > Episode: "Alison's Story" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010–2015 </td><td colspan=1 rowspan=1 > Luther </td><td colspan=1 rowspan=1 > DS Justin Ripley </td><td colspan=1 rowspan=1 > 15 episodes Nominated—Crime Thriller Award for Best Supporting Actor on Television Nominated—Critics' Choice Television Award for Best Supporting Actor in a Movie/Miniseries </td></tr>
<tr> <td colspan=1 rowspan=2 > 2011 </td><td colspan=1 rowspan=1 > Walk Like a Panther </td><td colspan=1 rowspan=1 > Ricky Rickson </td><td colspan=1 rowspan=1 > Episode: "1.1" </td></tr>
<tr> <td colspan=1 rowspan=1 > Moving On </td><td colspan=1 rowspan=1 > Frank </td><td colspan=1 rowspan=1 > Episode: "Donor" </td></tr>
<tr> <td colspan=1 rowspan=3 > 2012 </td><td colspan=1 rowspan=1 > Inside Men </td><td colspan=1 rowspan=1 > Marcus </td><td colspan=1 rowspan=1 > 4 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > Homefront </td><td colspan=1 rowspan=1 > Joe Mancetta </td><td colspan=1 rowspan=1 > 6 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > Good Cop </td><td colspan=1 rowspan=1 > John Paul Rocksavage </td><td colspan=1 rowspan=1 > 4 episodes </td></tr>
<tr> <td colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=1 > Agatha Christie's Marple </td><td colspan=1 rowspan=1 > Arthur Jackson </td><td colspan=1 rowspan=1 > Episode: "A Caribbean Mystery" </td></tr>
<tr> <td colspan=1 rowspan=1 > By Any Means </td><td colspan=1 rowspan=1 > Jack Quinn </td><td colspan=1 rowspan=1 > 6 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015–2017 </td><td colspan=1 rowspan=1 > X Company </td><td colspan=1 rowspan=1 > Neil Mackay </td><td colspan=1 rowspan=1 > Main cast </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017– </td><td colspan=1 rowspan=1 > Strike Back </td><td colspan=1 rowspan=1 > Sergeant Thomas 'Mac' McAllister </td><td colspan=1 rowspan=1 > Main cast </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Liar </td><td colspan=1 rowspan=1 > Tom Bailey </td><td colspan=1 rowspan=1 > Main cast </td></tr>
</table>
Question:
What role did Warren Brown play in Dead Set in 2008?
Answer:
In 2008, Brown played the role of Marky in Dead Set.