Unfortunately, he died when my dad was only 11, so I never got the chance to meet him. That's why I treasure his filmography so much - even with his fleeting appearances in the assorted films help me know him at least a little better. He's also a big reason why I love classic movies so much...
He plays the priest giving the sermon in the damaged church around 77 minutes into the picture. Here's his IMDb page: https://www.imdb.com/name/nm0573005/?ref_=nv_sr_srsg_0