Joan Gerber and William Hanna have appeared together in 2 films between 1968 and 1972. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1968 | The Split | |
| 1972 | The Banana Splits in Hocus Pocus Park |
Joan Gerber also often with: Allan Melvin (3), Daws Butler (2), Howard Morris (2), Joseph Barbera (2), Michele Tobin (2)
William Hanna also often with: Joseph Barbera (8), Daws Butler (3), Allan Melvin (2), Frank Welker (2), Howard Morris (2)