He frequently worked in voice over, including as Tetsuo Shima in the Streamline Pictures dub of the anime film Akira (1988) and Larry Laffer in the Leisure Suit Larry video game series (1993–2004; 2013–2020).
For many years, Jan was a member of Johnny Carson's "Mighty Carson Art Players", performing in on-camera sketches as well as providing the voices for answering machines, cash registers and other inanimate objects for Johnny's sketches.
Rabson performed in all of the Pixar Cars Toons shorts as well as Toy Story 3, Up, WALL-E and many more.
In 2013, he reprised his role of Tetsuo Shima for AficionadosChris' review of Akira.
[2] Rabson resided in Salt Spring Island, British Columbia, Canada and divided work between Vancouver and Los Angeles productions.