These are minor characters in the Lea Clark books and movie.
Marcos Barros[]
Zac's host father. He's a tour guide and loves to take rides on his boat.
Olivia Barros[]
Zac's host mother. She is a second-grade teacher.
Tomás Barros[]
Marcos and Olivia's five-year-old son. He loves margays and to draw.
Camila Cavalcante[]
Lea's friend who lives in Brazil. She and Lea first see each other at a restaurant; they first talk to each other on the beach. She is the same age as Lea; she is scared of heights and is a really good swimmer. She has relatives who lives in Chicago, explaining why her English is so good. She loves to play soccer.
Senhora Cavalcante[]
The mother of Camila Cavalcante. She owns the Moda Praia clothing store in Salvador, Brazil.
Carol Clark[]
Lea's mother (née Cooper) who is an architect specializing in restoring old buildings.
She is portrayed by Hallie Todd in the movie.
Michael Clark[]
Lea's dad. He also goes by Mike and is a history professor at the Washington University in St. Louis.
He is portrayed by Kevin Otto in the movie; his name is changed to Rick.
Zachary Clark[]
Lea's older brother. He attended college to get a degree in environmental studies, followed by Brazil to study the rainforest for a year. His nickname is "Zac" and for Lea is "Cricket".
He is portrayed by Connor Dowds in the movie.
Amanda Cooper[]
Lea's grandmother and Carol's mother, whose nickname was Ama. She died before the events of the books. She liked to travel and was not afraid to do anything.
She is portrayed by Karin Howard in the movie.
Erika[]
The director of the Amazonas Wildlife Sanctuary.
Lea and Zac visit her with Amanda, an injured baby sloth they found, in Lea Leads the Way.
Justus Dumond[]
The son of Harriet Leland Dumond. He's a commercial real estate developer.
Harriet Leland Dumond[]
The mother of Justus Dumon. She attended the Country School for Girls with Amanda Cooper; they met in their eighth-grade geography class.
She's referred to by her nickname "Hallie".
Nedra Garcia[]
The teacher for Lea's photography camp.
Abigail Hudson[]
Lea's best friend, who goes by Abby. Abby is multiracial (with a white father and an African American mother) and loves animals. Her mother is a veterinarian. She plays the oboe and loves soccer.
She is portrayed by Mokgethoa Tebeila in the movie.
Kevin[]
A boy attending photography camp in Lea and Camila.
Paloma[]
Camila's cousin, who is a snorkeling instructor. Zac has a crush on her, and Lea is jealous of Paloma.
In the movie Paloma is renamed Paula.
Sarah[]
A student at Washington University, where she studies art restoration. In Lea and Camila, she volunteers to restore a mural in Convetry House.