Writer-director Greg Pritikin’s “The Mistress” is a slick and servicable if somewhat unsurprising thriller about traumas newlyweds unearth and unleash when they move into a gorgeous old Queen Anne house in LA’s Angelino Heights corner of Echo Park.

Pritikin apparently based the film, which he wrote and directed, on the history of his own Angelino Heights home, which served as the movie’s primary location. It makes a properly baroque and eccentric setting for a paranoid tale with stalker/supernatural touches.

Parker (John Magaro), a writer, and costume designer Maddie (Chasten Harmon of TV’s “The Good Fight” and “Elementary”) don’t get bad vibes from the Victorian era house the moment they move in. Well, aside from their pushy, over-sharing and sexy neighbor Dawn (Kat Cunning).

But weird things start happening, and Parker’s the first to pick up on it. As his new bride is a tad rattled by any hint of “haunted,” he keeps “incidents” to himself — the swing that’s swinging by itself, the visions of violence that might have happened here.

As these begin right about the time he finds an ancient glass-plate camera, complete with a preserved, undeveloped negative of a woman who used to live there, and a cache of 100 year old love letters from a “Rebecca” to her lover turn up, Parker is just the first to wonder if it’s her (Aylya Marzolf) who is sneaking in and sneaking around.

Because it’s not their on-the-make neighbor, is it? Or could it be this ex that Parker took out a restraining order on?

Thrillers like this get by on their jolts — which here are modest — and their clues and how easy or tricky they are to figure out. Those are…pretty obvious.

Magaro, recently seen in the sublime “Past Lives” and in “Showing Up,” manages a bit of the mania we’d expect from someone confronting the supernatural, or merely hoping his new wife doesn’t freak out about the various unpleasant possibilities as to what’s going on.

Harmon’s got less to work with as a character but plays panicked and irked well.

There’s a bit of suspense, especially in the bang-up finale. And if the plot’s unraveling isn’t all it needed to be, that’s how we wind up with “servicable.”

And at least one can say to Pritikin, who previously did the wheezing Netflix AARP comedy “The Last Laugh,” “Hey, nice house.”

Rating: R, violence, sexual situations

Cast: Johyn Magaro, Chasten Harmon, Kat Cunning and Aylya Marzolf

Credits:Scripted and directed by Greg Pritikin. A Blue Sky release.

Running time: 1:45