By Dana Rose Falcone
Updated March 26, 2015 at 08:51 PM EDT
Credit: Jon Kopaloff/FilmMagic

Melissa & Joey star Melissa Joan Hart is set to appear on an episode of NBC’s The Mysteries of Laura, EW has confirmed.

Hart will guest star as online radio host KC Moss, who runs a Serial-esque program that gets in the way of Detective Laura Diamond’s (Debra Messing) investigation of a 15-year-old cold case. Moss is described as a ” former ‘nobody,’ a nerdy, frizzy-haired teenager.”

The Sabrina the Teenage Witch star shared a photo on Thursday of her with Messing, in which she boasts a sizeable bruise on her left cheek. “No she didn’t give me the shiner,” Hart writes.

Hart’s ABC Family show celebrated its 100th episode earlier this month.

The Mysteries of Laura

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