The 68-year-old has revealed that the producers of the series are actively discussing a possible movie adaptation, reports telegraph.co.uk.
“There’s talk of eventually trying to do a feature film,” he said.
“But I don’t know which of the storylines. There’s so much to cram into a film,” he added.
Based on George R.R. Martin’s popular novel series “A Song of Ice and Fire”, the fantasy drama completed its fourth season currently.
The story traces the fortune of a number of noble families in a fictitious kingdom as they fight for power.