Rex Ingram: Rex Ingram. Actor: The Green Pastures. A Corsicana native, Rex (Clifford) Ingram was the son of Mack and Mamie Ingram. He graduated from Northwestern University with a degree in medicine before launching a brilliant acting career which spanned 50 years. Ingram made his screen debut during the silent era in Tarzan of the Apes (1918). He won widespread acclaim for his portrayal of De Lawd in The Green Pastures (1936),...