Frank Welker 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 |
Frank Welker also often with: Grey DeLisle (35), Matthew Lillard (26), Jeff Bennett (24), Mindy Cohn (21), Dee Bradley Baker (14)
Heather North also often with: Casey Kasem (3), Nicole Jaffe (3), Scott Jeralds (2), Al Checco (1), Alan Hewitt (1)