Casey Kasem and Heather North have appeared together in 3 films between 2003 and 2011. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 2003 | Scooby-Doo! and the Legend of the Vampire | |
| 2003 | Scooby-Doo! and the Monster of Mexico | |
| 2011 | Scooby-Doo! and the Pirates |
Casey Kasem also often with: Frank Welker (11), Grey DeLisle (7), Mindy Cohn (7), Jeff Bennett (4), Randee Lynne Jensen (4)
Heather North also often with: Frank Welker (3), Nicole Jaffe (3), Scott Jeralds (2), Al Checco (1), Alan Hewitt (1)