Main •
Paul Iacono as Richard Junior "RJ" Berger, the eponymous
protagonist; a socially awkward but good-hearted 15-year-old high school
sophomore. He is in love with Jenny Swanson, but was too shy to proclaim his love for her, as he is afraid of her boyfriend, Max. He is forced into the limelight when during a basketball game, his shorts fall down and his large penis is exposed. He was originally reluctant to date because his
large penis once caused a girl to choke while performing oral sex on him. After being exposed, he decides to take advantage of his popularity to win Jenny over. In the season 1 finale, he agrees to have sex with Lily, out of guilt. He and Jenny start dating in the second season, though their attempts at intimacy are regularly foiled by Max and a vengeful Lily. He and Jenny briefly break up and he begins dating Amy, his tutor. In the second season, he struggles with the fallout of his parents' divorce and is shocked to discover that he is the father of Lily's baby. •
Jareb Dauplaise as Miles Jenner, RJ's comical, immature, overweight best friend. He is obsessed with becoming popular and scoring with girls; he appears to be an antithesis to RJ's moral values. He often carries a video camera with him. When he discovers RJ's secret, he encourages RJ to use it to become popular so he can become popular too. He has a
frenemy relationship with Lily and is constantly insulting her physical appearance. He suffered a number of losses early in life, including the death of his mother and the "suicide" of his cat. He also has an older brother named Chet, who is shown to be a crazy
Iraq War veteran. He lost his virginity to a substitute teacher which resulted in him catching
crabs. •
Kara Taitz as Lily Miran, a socially awkward, and sex-obsessed girl who is infatuated with RJ and constantly chases him, much to his dismay. She has an unusual fashion sense and is frequently dyeing her hair; it is revealed that she makes her own clothes in episode 11. She and Miles constantly antagonize one another. RJ asks Lily to the school dance, much to her delight, but she was hit by a bus before the dance. Out of pity, RJ agrees to have sex with her. After she finds out RJ and Jenny are dating, Lily tries to sabotage their relationship at any cost. She and RJ eventually rekindle their friendship; she even sparks a friendship with Jenny. Lily briefly dates Hamilton but reveals to RJ that she is pregnant with his baby in the final minutes of Season 2, setting up for a non-existent Season 3. •
Jayson Blair as Max Owens, an arrogant and obnoxious school jock and RJ's main
antagonist. After RJ stood up to him in the first episode, Max swore to humiliate RJ at all costs as a punishment. He was Jenny's boyfriend in the first season and is aware of RJ's crush on her, which makes him jealous. In the season finale, just as Max is about to fight RJ for kissing Jenny, Miles tackles him and starts punching him repeatedly in the testicles, giving RJ the chance to leave. When RJ and Jenny begin dating, he dates Robin Pretnar, Jenny's best friend and head cheerleader. In the second season, RJ discovers that Max is secretly gay and RJ agrees to keep his secret. •
Amber Lancaster as Jenny Swanson, RJ's primary love interest; a beautiful, popular, and down-to-earth cheerleader. She is impressed with RJ after he stands up to her boyfriend, Max, and by RJ's overall kindness. In the season finale, RJ and Jenny share a kiss before a concerned RJ returns to Lily's hospital bed. She and RJ begin a relationship in season two although they eventually break up, due to the fact they have no similar interests and Jenny was upset to find out that RJ lost his virginity to Lily. They agree to be just friends. They team up together to be Mr. and Mrs. Pinkerton, with little romantic tension. •
Beth Littleford and
Larry Poindexter (season 2; recurring season 1) as Suzanne and Richard Berger, RJ's parents. They fail to level with their son and will sometimes embarrass him even when they try to make him feel better. They are also portrayed as sexually adventurous. At the end of the season 2 premiere, they tell RJ they are getting a divorce. Suzanne begins a relationship with Jeriba Sinclair until Rick shows back up and woos her with the poem he wrote the first time they had sex. Rick and Suzanne make up in the end of the second season, but it is unclear if they are back together. • Marlon Young (season 2; recurring season 1) as Jeriba Sinclair, Pinkerton High's basketball coach and gym teacher; he is also RJ's guidance counselor, though he is very sarcastic and unsupportive and gives RJ questionable advice. He begins to date Suzanne after she and Rick separate in the season 2 premiere, much to RJ's disgust. However, as he dates Suzanne, he is much kinder to RJ. Jeriba eventually asks Suzanne to marry him, but she leaves him to get back together with Rick. Afterwards, he resumes bullying RJ.
Recurring •
Crystal Reed as Renee (season 1), one of the mean girls of college, with whom Miles flirted when she needed him to teach her how to act to have a main role in a theater piece • Ciena Rae as Robin Pretnar, Jenny's best friend and fellow cheerleader. She is the object of Miles' affections, much to her disgust. After he spread a rumor that he motorboated her breasts, she beat him up. She becomes Max's girlfriend in season two and claims to be the status of the school's "
queen bee". She is cruel, snobbish, and domineering towards the other cheerleaders except Jenny. Max breaks up with her when he overhears her calling him stupid. •
Caitlin Crosby as Amy, RJ's math tutor, introduced towards the middle of season 2. She has a "geek-chic" vibe, and is relaxed and down-to-earth. RJ is assigned to be tutored by her when his grades drop, and chemistry between the two develops. RJ asks her out to a
Weezer concert, and they kiss. They eventually have sex, but she becomes jealous when she finds out that RJ and Jenny are running for Mr. and Mrs. Pinkerton together. However, she forgives RJ when he proclaims his love for her. •
De'Vaughn Nixon as Hamilton, a "gangster" student who first appears in Season 1 as a one-time character, and then becomes a recurring one in Season 2 when he starts dating Lily after they meet in school therapy. He is extremely smart (having an IQ of 170), and is actually very nice. • Adam Cagley as Kevin Stern, an overweight, indolent nerd who is acquaintances with RJ and Miles although neither can stand him. He uses a mechanical chair to move himself. He is also a member of the
Model United Nations Club. When RJ and Miles fight, he becomes Miles' new best friend temporarily. At the season 2 premiere, in which he had died when his scooter accidentally crashed in a donut shop window, he was revealed by RJ to be adopted by a black couple at his funeral.
Guest •
Lori Alan as Linda Robbins • Vered Blonstein as goth girl • Kristopher Higgins as Mario •
JC Gonzalez as dancer with dagger • Justin Cone as Guillermo • Salar Ghajar as Trent • Jim Hanna as Bill Robbin • John Colton as Mister Levy • Albert Kuo as Asian kid •
Chanel West Coast as Sheila ==Episodes==