Law enforcement were being known as on Thursday night to studies that products of jewellery had been stolen from trailers in Surbiton.
The actress, 40, is now filming for the new Sky drama Rosie Molloy Offers up Everything.
No arrests have been built.
A filming insider informed the Sunshine: “This was a pretty upsetting incident and every person associated is stunned — but Sheridan is understandably pretty hurt.
“Fortunately, it wasn’t hugely pricey objects, additional day to working day points, but she had remaining them in her trailer for basic safety though filming in character and came again to uncover the place experienced been turned about.
“It’s definitely disgraceful that these people would do this.”
“The offence transpired at about 23:50hrs on Thursday, 5 May possibly.
“Items of jewellery had been stolen from trailers in Surbiton.
“There have been no arrests.
It comes amid a string of thefts on Television set and movie sets, which includes two recent significant profile thefts although filming for Netflix’s The Crown and Lupin, which transpired within the space of a 7 days.
Smith’s most recent exhibit is a comedy in which she plays Rosie, a recovering addict, who tries to go after a life absolutely free of addictions.
A workaholic with a senior occupation in a large-conclude accountancy firm, Rosie is seen striving to recuperate from a spiral of self-destruction introduced about by her relentless above-accomplishing and substantial-worry workload.
The Standard has contacted Sheridan Smith’s reps for comment.