In the opening title sequence, ambulance man Peter Butterworth's cap gets blown off by the wind, yet he's wearing it on arrival at the hospital.
At the railway station, Doctor Sparrow is leaning out of a compartment window talking to a porter and a tea lady, then as the train moves off he's suddenly leaning out of a door.
At c.89 minutes Doctor Sparrow says "What!" but his lips mouth something completely different.