At about 1 hr, when Bobby reads the letter the hand holding the letter has on very dark nail polish, but Anne Shirley is wearing light-colored polish.
The credits of this film say "Based on the Pulitzer Prize play by Maxwell Anderson." The play did not win the Pulitzer Prize, but Anderson won the 1933 Prize for another play, "Both Your Houses".
Anne Shirley gives John Garfield the number combination to open his door-lock invention (made with a telephone dial), but Garfield dials a completely different number to open it.
A moving shadow of the camera is visible on the "How to Bowl" magazine as it pulls back to reveal Bobby practicing with a cabbage.