Like most long-running series, the Harry Potter franchise enjoys a more expansive cast the further along it gets. The first movie, Harry Potter and the Philosopher's Stone, looks positively quaint and reserved as a result. The movie contains the core cast of characters we all grew to love, but it also leaves out many who would become big parts of the story in future installments.
By its nature as a children's movie, Harry Potter and the Philosopher's Stone typically resorts to the two binaries of good people and evil people when it comes to its characters. As such, ranking them by likability is far easier in this film than it is in later installments.
Quirrell/Voldemort
Obviously at the top of the list is Professor Quirrell and Voldemort. Of course, Voldemort is far more unlikable than Quirrell, being the main antagonist, but Quirrell isn't particularly likable, either. Even when he acts "normal," Quirrell is little more than a sniveling and wormy individual who seems scared of his own shadow.
This is by design, but it doesn't make him any more likable. They both try to kill Harry, and really, it doesn't get any more unlikable than that.
The Dursleys
Not far behind Quirrell and Voldemort are the Dursleys. The Dursleys couldn't make it any more obvious that they despise Harry and his living in their house. They don't have an ounce of respect for the poor young boy, forcing him to live in a dusty cupboard under the stairs and giving him Dudley's massive, dirty hand-me-downs.
Vernon even threatens to starve Harry for a week, and while that seems a little hyperbolic for the sake of making a threat, it probably wouldn't be far off from Harry's actual punishment.
Draco Malfoy
Draco Malfoy proves little better than the Dursleys - if at all. There are no redeeming aspects to Draco's character in Philosopher's Stone - his "redemption" wouldn't come until later and in the first movie, he is little more than "the evil kid" who bullies others.
He proves hostile to Harry after Harry rebuffs his offer of friendship, he outwardly bullies Ron for being poor, and his air of smug superiority proves quickly tiring. Draco doesn't often prove very likable, even in the later movies, but he is especially unbearable in the first one.
Professor Snape
Professor Snape has a few good qualities. He tries saving Harry from Quirrell's meddling during the Quidditch match (although fans don't learn about that until later), and he even wishes him "good luck" on the morning of the match.
But Snape is still a very cold and unlikable figure, even on his best days. He outwardly antagonizes Harry during his first Potions class, even though Harry was just taking notes, and he is generally very unpleasant. Even if he is technically "a good guy," this doesn't necessarily make him a likable guy.
Professor McGonagall
Every kid knows a Professor McGonagall. She is very smart and very devoted to her work as both a teacher and a guardian. As such, she proves a strict disciplinarian.
It's not that McGonagall is "mean" - she often has bursts of kindness and outward friendliness, like when she gifted Harry the Nimbus 2000, for example. But most of the time, she proves a very cold and distant figure who isn't afraid of openly berating the students for their behavior. She's stern, she's often harsh, but she's also a very respectable - and respected - individual.
Hermione Granger
Like Draco, Hermione gets "better" as the movies go on. Of course, Hermione is never as bad and villainous as Malfoy, but there's no denying that the Hermione portrayed throughout Philosopher's Stone is a bit difficult to take in.
There's nothing wrong with taking pride in your intelligence, but there's a fine line between prideful intelligence and smug superiority, and Hermione fails to toe the line. She can also prove impatient and humorless, like when she glares daggers at Ron in the library after he makes a harmless joke.
Albus Dumbledore
The only reason Dumbledore isn't ranked higher on this list is because movie viewers don't see much of him in Philosopher's Stone. Dumbledore is like everyone's warm and caring grandfather - talking and listening to him gives every character who crosses his path peace of mind with his calm demeanor and useful advice.
However, talking to him in the first place proves more difficult than one may imagine. Like some principals, he is very distant to the student body, often talking to students only when the situation requires it.
Ron Weasley
Ron is a very likable little kid - provided you get on his good side. He is generally very pleasant to everyone he meets and quickly makes friends with his fellow Gryffindors.
He is also very quick with a joke or a snide remark, and his goofy everyman, "good but not really great at anything" persona proved very relatable for millions of viewers. However, he can also prove hurtful, like when he openly bullies Hermione for her behavior and makes her cry.
Harry Potter
There's nothing much wrong with Harry Potter and he is generally pleasant and nearly everyone likes him. Despite his godly status as The Boy Who Lived, Harry remains incredibly humble throughout the movie: he listens to people, he takes their advice, and unlike Hermione, he doesn't have a brash and condescending attitude.
He is also very polite and friendly and unlike Ron, he has enough care and sympathy to withdraw from bullying Hermione and hide his displeasure at her arrogance, like when he subtly smirks when Ron nods his head in a "Can you believe this girl?" gesture, but is smart enough to keep his mouth shut.
Rubeus Hagrid
How can anyone not like Rubeus Hagrid? There are no bad aspects to Hagrid, and everyone would be happy to have him as a friend and guardian. Sure, he keeps secrets from the children, but then again, so did everyone else.
He serves as a wonderful guardian to Harry throughout his introduction to the wizarding world, and he proves kind and polite enough to allow the kids into his hut. He's a gentle giant (literally), and he is wonderful.
