Succession star Brian Cox has said he regrets accepting a CBE and would turn down a knighthood of offered after revealing he feels “uncomfortable” with the royal family.

The Dundee-born actor, a strong backer of Scottish independence, admitted he should have “thought better” of collecting the honour for services to drama in 2003.

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Golden Globe winner Cox, who stars in the HBO series as Logan Roy, added he would reject the offer of becoming a knight, despite calling the CBE a “precursor” to the most senior honour.

The 73-year-old caused controversy earlier this month when he was dropped as a patron of an elderly care home after admitting to regularly smoking cannabis as a way of “dealing with the political situation” on both sides of the Atlantic.

He said: “I have a royalist sister and a republican sister and I thought, well my royalist sister will be happy but she couldn’t give a s**t. That was my justification.”

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“Now I would never be a knight. I wouldn’t want to do that. A CBE is usually a precursor to getting a knighthood. I got my CBE a while ago and I have been so active in Scottish independence.”

He added: They are determined to keep the Queen, she goes with the whole nine yards [so] we don’t get rid of her. It will never be a proper republic.”