The husband of has died ‘peacefully’ aged 84, her agent David Hahn has confirmed.
Mike Margolis worked as Carry On actress Harris’s record producer and manager in the 1960s, after she rose to fame with the Cliff Adams Singers, before the pair married in 1973.
His death on Saturday morning comes less than a week after the couple celebrated their golden wedding anniversary.
A statement from Harris’s agent Mr Hahn said: ‘Early this morning Anita’s husband Mike Margolis died peacefully with Anita by his side.
‘As a Life Fellow of the Royal Society of Arts (LFRSA), creator of Catgrafıika and as creative director in advertising, Mike became Anita’s record producer (Just Loving You) and her manager in the mid-1960s.
‘They married in 1973 and last Sunday celebrated their Golden Wedding.’
Margolis was a record producer, writer and painter and created Harris’s Victorian thriller detective series The Casebooks Of Verity Lake.
On Twitter, Harris said her ‘beloved husband’ died after a ‘long illness’.
She wrote: ‘Last Sunday we gently celebrated our golden wedding anniversary.
‘Mike gifted me with a forever love…I will miss and love him always.’
Fans and friends alike rushed to the post to pay their respects, with musician Rick Wakeman writing: ‘My Dear Anita …… you were such a special couple and you will have memories lasting another lifetime.’
John Challis’ wife Carol added: ‘Dear Anita – it’s just the worst feeling.
‘I’m so sorry you have lost the love of your life. Thinking of you.’
Last year, Harris said her husband was diagnosed with Alzheimer’s in 2015 and described seeing him with the condition.
‘The pain is overwhelming,’ she said.