Main Characters:
Ryan Atwood (age 13) – Son of Lisa and Frank Atwood. He was born in NYC. Then he moved to Newport Beach, when, he was adopted by Kirsten and Sandy Cohen at the age of 10. No one except for Ryan, Kirsten & Sandy know why he had to be adopted. He had been living with the Cohens for almost three years now. He is best friends with their son Seth Cohen. He goes to Harbor Middle School and is friends with Seth & Marissa.
Marissa Cooper (age 13) – Daughter of Julie and Jimmy Cooper. She was born in Newport. She is cousins with Summer & Ashley Roberts. She goes to Harbor Middle School and is friends with Seth & Ryan. She has a little sister called Kaitlyn Cooper.
Seth Cohen (age 13) – Son of Kirsten and Sandy Cohen. He was born in Newport. He is best friends with Ryan and was very excited when Ryan moved in with them. He goes to Harbor Middle School and is friends with Ryan and Marissa.
Summer Roberts (age 13) – Daughter of Molly and Neil Roberts. She lives in San Francisco. She was born in Newport though and missed the beach dearly. Therefore she goes and visits her cousins every year during Spring Break. She has a little sister called Ashley Roberts.
Kirsten and Sandy Cohen – Parents of Seth Cohen. Adopted Ryan when he was 10 and care for him like a son. They met in Berkley College. They are close friends with the Coopers.
Julie and Jimmy Cooper – Parents of Marissa & Kaitlyn Cooper. They met when they were in High School but back then Jimmy was dating Kirsten but they were still good friends.
Kaitlyn Cooper (age 10) – Daughter of Julie and Jimmy Cooper. Sister of Marissa. Is very close with her pony named China. Cousins with Summer & Ashley Roberts.
Ashley Roberts (age 10) – Daughter of Molly and Neil Roberts. Sister of Summer. Cousins with Marissa & Kaitlyn Cooper.
Minor Characters:
Molly & Neil Roberts – Parents of Summer & Ashley Roberts. Molly is Julie's sister. They were both born in Newport and met there in High School, they, like their daughters miss the beach but their jobs have moved them to San Francisco.
Caleb Nichol – Father of Kirsten Cohen. Loves Seth & Ryan equally but still is not quite fond of Sandy.
Lindsay Gardener & Taylor Townsend (age 13) – Best friends. They go to Harbor Middle School. All the kids in the school call them nerds but they don't care. Taylor has a crush on Seth and Lindsay has a crush on Ryan, and therefore doesn't like Marissa Cooper one bit.
Alex Kelly, Johnny Harper, Casey Lindon, "Chilli" and Oliver Trask (age 13) – They go to harbor Middle School. They are all friends. They are the group in the 8th grade that come to school drunk, smoke during school and after school and take drugs.
