 |
Jack Warden as Rocco (voice) |
 |
Ray Hubley as Adam (voice) |
 |
Maureen Stapleton as Mother (voice) |
 |
Morris Carnovsky as Earl of Limestone (voice) |
 |
Phil Leeds as Pre-Cambrian Rocks (voice) |
 |
Harry Edison as Uncle Igneous (voice) |
|
Don Elliott as Aunt Sedimentary (voice) |
|
Ruth Price as Cousin Metamorphic (voice) |
| Sound | Quincy Jones | Music |
| Writing | John Hubley | Writer |
| Writing | Faith Hubley | Writer |
| Directing | John Hubley | Director |
