Frank Welker and Casey Kasem have appeared together in 11 films between 1990 and 2014. Every shared film with year, roles and gross, plus who else each works with most.
Frank Welker also often with: Grey DeLisle (35), Matthew Lillard (26), Jeff Bennett (24), Mindy Cohn (21), Dee Bradley Baker (14)
Casey Kasem also often with: Grey DeLisle (7), Mindy Cohn (7), Jeff Bennett (4), Randee Lynne Jensen (4), Heather North (3)