Jamie Burnford-Seaver is a supporting character in Homeward Bound: The Incredible Journey and its 1996 sequel. He is the owner of Chance the American bulldog, the youngest son of Laura Seaver and Bob Seaver, and the brother of Peter Seaver and Hope Seaver.
Jamie was first seen attending his parent's wedding, his brother Peter Seaver hands him a frog and he gives it to their sister Hope Seaver, who then freaks out and drops the frog on the ground and Jamie burst out laughing. They then hear a crash noise coming from inside the house, nearly interrupting the wedding and Shadow Peter's pet dog growls at the noise. It turn out it was only a lampshade being knocked down by Chance who was been annoyed by Sassy Hope's pet cat, but they ignore the noise coming from the house and continue the wedding. While playing some balloons with Peter and Shadow, Jamie witnesses Sassy being catapult into the sandbox by Chance and he and Peter burst out laughing at Sassy's misfortune, causing Hope to call Chance a stupid dog and reports it to their mother.
After the wedding, Jamie and his family go to the farm owned by their friend Kate, where they leave Shadow, Chance and Sassy to be looked after her ranch's hand Frank. Before leaving Jamie plays Frisbee with Chance until his father throws it and Chances catches it for him.
A few days later, Jamie later received a word from Kate and Frank that Chance, Shadow and Sassy are no longer with them anymore due to them returning back home. He and Hope are crying at hearing this, while Peter was upset and harshly scolds their father for leaving them at the farm and refusing to go look for them.
Jamie was at school practicing for a play, his family arrives informing him that the forest rangers who they sent to look for their pets, finally found Chance, Shadow and Sassy who helped a lost girl name Molly found her parents and they are in the shelter with Chance getting a medical treatment due to his muzzle getting pinned by a porcupine earlier, to his delight and accidentally drops the pumpkin, he was holding breaking it and his father apologizes his teacher for the pumpkin and will replace it.
However when they finally arrived at the shelter, Chance, Shadow and Sassy already escaped due to Chance mistaking the shelter for a pound and the shelter staffs apologize to them for failing to stop Chance, Shadow and Sassy from escaping and watch Peter calling Shadow at the darkness and returned back home.
Near dusk, Jamie was playing basketball with his father, Peter and Hope, he hears barking in the distance and calls out where the barking is coming from. It was Chance and they reunite followed by Sassy except for Shadow who has fallen into a muddy pit at the train yard and Peter laments that Shadow is too old to make it. But Shadow appears in the distance limping (having injured his leg from the fall and how he able to get out of the muddy pit is not revealed) and Peter was happily reunited with Shadow. After reunited with their pets and they all go inside to enjoy their dinner.
Jamie has grown up and live in San Francisco with his family and ready packing some of the luggage to spend their vacation at Canada. Jamie was having a trouble with Chance after he stealed his shoe and begins looking around the house for it, not knowing it was thrown into the flowers near the driveway by Chance and looks for it in his bedroom. Then Stacey a friend of his calls him from the window that they are going to play baseball and he calls to her that he will be there as soon he find his other shoe. Chance enters his room calling to him, but he ignores him and begins looking under his bed. Chance picks Barry Bond's autograph baseball, but Jamie grabs it back, telling him not his baseball been autographed by Barry Bond and slams his bedroom door. Jamie finally gives up of finding his other shoe and instead wears another one and tells his mother that he needs to play baseball and she tells him to back in Twenty minutes and not to be late. As he was on his way to the park where the baseball game and his friends are waiting for him, Chance chases after him, but Jamie orders to him to stay home and goes on.
But as he arrives and joins his friends playing baseball, Chance follows him after a small talk with Sassy. One of Jamie's friends hit the baseball hard sending flying a distance, Chance grabs it and they chase him around the field. Jamie angrily scolds him that he stay away from the field and one of his friend orders him to get Chance back home and calls him a pretty dumb dog. Chance grabs her baseball glove, causing her to call Chance a stupid dog while struggling against Chance's grip and trying to prevent Chance from taking it. But Chance is able to grabs it and runs away with it, with Jamie and his friends chasing him throughout the park.
When they finally return home, his mother tells him that they're late and need to get to the airport and he tells her that it was Chance's fault and he and his friends chased him throughout the park and board on the car with Chance riding in the back with Shadow and Sassy.
At the San Francisco International Airport, Jamie and his family put Chance, Shadow and Sassy in their cage before they all could board to the plane and Jamie calls to Chance that they will met in Canada as the airport workers brings them to the plane's cargo hold where also Jamie and his family will be.
However, when Jamie and his family arrived at Canada, they received a word that Chance, Shadow and Sassy had somehow escaped from the plane due to Chance escaping his cage mistakingly again thinking that he and the others will be take to the pound and also mistaken the airport for also a pound.
A few days passed at their rented home, his father calls the San Francisco authorities to look for Shadow, Chance and Sassy which they will and also need to watchout for some crooks who are trying to steal some dogs and bring them to their lab named Jack and Ralph. They then board on their rented car ready to return to the airport. At the airport Jamie was worried about Chance, because he's somewhere in San Francisco with Shadow and Sassy and asked his mom will he see him again and she replies that they found their home like what happened before and he apologizes for being a jerk lately and falls asleep with mom saying that they will be back home soon.
When they finally return to San Francisco, his father hoped that Chance, Shadow and Sassy are already at home. While on the way home a container tanker truck which was in front of them, suddenly skidding to a stop and his father was able to avoid it by stopping their car. Peter then asked what happened and he replies must be accident. They then saw Shadow and Sassy coming down the hill nearby. The truck driver apologizes the Seavers and asks them are they okay and Bob replies that they are fine and ask what happened and the truck driver replies that there was a dog in the middle of the road. They found out it was Chance, who was in the middle on the road safe and sound.
At Home Jamie and his family met and adopt a new dog named Delilah, Chance's love interest whom Shadow, Chance, and Sassy met in San Francisco while on their way back home and dealing with Ashcan, Pete, Jack and Ralph.