[2] He is known for his roles in Escape to Witch Mountain, Toy Story, Brink!, Meego, The Princess Diaries, Complete Savages, and So Weird.

[6] One of von Detten's earliest roles was Nicholas Alamain on the daytime soap opera Days of Our Lives from 1992 until 1993, appearing in 55 episodes.

[7] Nicholas was revealed to be the secret son of Lawrence Alamain (Michael Sabatino) and Carly Manning (Crystal Chappell), two of the show's major characters.

In 1995, when he was 13, von Detten provided the voice of the villainous and heartless toy-tormentor Sid Phillips in Toy Story.

In 2010, he made a brief cameo appearance before he retired from acting in Toy Story 3 reprising his role as Sid Phillips, who is now a garbageman in his 20s.