She portrayed a hateful and hated woman with relish.
Obviously, she sets herself at the head of the table, she is the one who controls everyone in the vicinity. But she can only do so because of the dirt she has muckraked up on each of them. Including 'Roger" (Fredd Wayne), what does she have on him where she can order him to do something vile and destructive? Alan Hewitt's familiar face is also in this, as is a few other noted character actors of the day.
Walter Randall (Jerome Thor) is the hapless husband, trapped in a marriage to a subhuman icebergmonster. We do not blame him for wanting to get loose. I think at one time or other we have had our Significant Other's be as Clingy as this woman is. In Fact, the "Clingy Disabled Wife" is a common character in Perry Mason episodes, there is another Perry episode where the secretary calls the Bosses' house for instructions, and the Klingon Wife answers and scares the pants off her (Er, Dress, rather - Perry Mason rarely had women in pants). But then the Husband enters the frame and it's apology city - Until she does it again. But in the end, the Husband of that woman has accepted it, and chooses to stay with the troubled, disabled wife.
Here, June's character Laura, is not really disabled at all. Just Clingy, and Cold. And Mean: Her husband, an Engineer, has developed an electronic gadget, a sounding device, that can be controlled via Remote over great distances.
This invention is important to Walter's future, and to his happiness, but one thing stands in his way: Laura "In a Lonely Place" Randall. She orders her brother in law Roger to do something unconscionable, and then seems to order her nurse Phyllis Hudson to participate in this heinous act. This is when it all goes sideways, and we find out, it's not as simple as we thought during the teaser of this episode.
So it is all fun and games until someone loses an eye, and a life, and so suddenly Tragg is sniffing about. That's when we find out, as usual, Phyllis didn't tell Perry everything.
The question is not really "Who had motive to commit a murder". it's actually "Who did Tragg arrest". Which is normally "The Wrong Man" (or Woman in this case), so Perry has to figure out who the real murder is, all during the preliminary hearing! Heck, sometimes it even gets to Trial.
This was one of the episodes sans Hamilton Burger, the Assistant DA is pretty Shakespearean.
This episode has a clever technological twist including tech that is still in use today, For the Late 50's early 60's, Perry Mason was pretty much on the edge of Tech, there were Gadgets and Gizmos, Car Phones, and even one episode had Bugs Galore. The Modus Operandi of this case was VERY clever. And it would have worked but for one thing: Perry Mason was defending.
But this episode would never have caused anyone to blink except for one thing: June Vincent's great performance.