Jose mentioned "Joseph and the Amazing ...." which would certainly work. You might look into "The Gospel at Colonus," especially if you have a multi-ethnic cast. Schmidt and Jones have a wonderful show called "Philemon" about a runaway slave and the writing of 1 Corintheans 13, the chapter about love. "The Human Comedy" from the composer of "Hair" is another with a Christian message without being overtly Christian. It's got a lot of music, if that's a matter of concern. If not, there's always "Les Miz."