The singing animal voices were provided by Bill Lee (as Ram), Ginny Tyler (as Lambs), Paul Frees (as Barnyard Horse), Marc Breaux (as Cow), Marni Nixon (as Geese), Thurl Ravenscroft (as Hog / Pig) and Peter Ellenshaw (as Penguin Waiter), with Daws Butler, Dal McKennon and Richard M. Sherman voicing the other Penguins.
The voices of singing animals were provided by Bill Lee as Ram, Ginny Tyler as Lambs, Paul Frees as Barnyard Horse, Marc Breaux as Cow, Marni Nixon as Geese, Thurl Ravenscroft as Hog/Pig and Peter Ellenshaw as Penguin Waiter. Daws Butler, Dal McKennon and Richard M. Sherman voiced the other Penguins.