Joan Collins was snubbed by Downton Abbey's creators when she asked for a role in the hit British period drama.

Rumours the Dynasty actress would make an appearance in the show first surfaced in 2011, but Collins dismissed them as hearsay, branding the suggestion a "non-starter".

But she has now revealed she did express an interest in playing Lady Cora's mother Martha Levinson, but was rejected by bosses of the drama.

The role eventually went to Oscar-winning actress Shirley MACLaine.

Collins tells Britain's The Times newspaper, "I called (the producers) and they said no. I wanted to play the mother of Lady Cora but I was strongly rejected."