Richter was born in Medford, Oregon, the son of Sandy, an actress, and Greg Richter, who was in the U.S. Navy. At the age of three, he and his family moved to Hawaii, where a Japanese casting agency discovered him and signed him up for three TV spots. In 1989, his family moved back to Los Angeles, where he could pursue his career.
He starred in Free Willy in 1993, in which he was chosen out of more than 4,000 candidates to play the lead role of Jesse. Other movies include Cops & Robbersons, The NeverEnding Story III, Free Willy 2: The Adventure Home, Laserhawk, Free Willy 3: The Rescue, and The Setting Son. He also made a cameo appearance in the music video for Michael Jackson's "Childhood". His most recent film appearance was in Ricochet River, along with Kate Hudson.
He was the bassist for the band Fermata.
||Jesse||Young Artist Award for Best Leading Young Actor in a Feature Film
− (tied with Edward Furlong for A Home of Our Own)
Nominated: MTV Movie Award for Best Kiss − (shared with Keiko)
Nominated: MTV Movie Award for Best Breakthrough Performance
|Cops and Robbersons||
|The Neverending Story III||
|Free Willy 2: The Adventure Home||
|Free Willy 3: The Rescue||Jesse|
|The Setting Son||Big Bully|
||Bonner's Associate||Additionally served as assistant director|
||Dr. Aaron Graybor|
|Vicious||Jeff||Additionally serving as producer|
|High and Outside||
||Chris Love||Season 1, Episode 15 - "The Morning After"|
|Sabrina the Teenage Witch||
||Dante||Season 2, Episode 4 - Dante's Inferno|
|Rugrats||Ringo / The Bull||Season 5, Episode 5 - "He Saw, She Saw / Piggy's Pizza Palace"|
||Clown #2||Season 4, Episode 12 - "Double Trouble in the Panhandle|
|Criminal Minds: Suspect Behavior||
||Matthew Keane||Season 1, Episode 8 - "Nighthawk"|
|Life's a Pitch||