Charles Napier was 65 in Spirit: Stallion of the Cimarron when he played the character 'Roy (voice)'.
That was over 22 years ago in 2002.
In 2011 he died aged 75, starring in 111 films in his career, 15 of those after Spirit: Stallion of the Cimarron was first released. If he were alive today he would be 88.
In Spirit: Stallion of the Cimarron, I think Charles Napier looks: