That Certain Feeling(1956)

ALL THE ALL-OUT LAUGHTER THAT MADE IT A SMASH HIT ON THE BROADWAY STAGE!

When Larry Larkin's comic strip needs some freshening up, he calls in ghost-writer Francis X. Dignan to help him with the strip. Things get complicated when Francis rekindles his love for his ex-wife, who happens to be Larkin's secretary and soon-to-be wife.