Joan Gardner and Greg Thomas have appeared together in 2 films between 1971 and 1975. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1971 | Here Comes Peter Cottontail | |
| 1975 | The First Christmas: The Story of the First Christmas Snow |
Joan Gardner also often with: Arthur Rankin Jr. (3), Jules Bass (3), Iris Rainer (2), Paul Frees (2), Alfred Travers (1)
Greg Thomas also often with: Arthur Rankin Jr. (2), Iris Rainer (2), Jules Bass (2), Angela Lansbury (1), Casey Kasem (1)