When the captain of the Janeel Trader enters the ambulance to be taken to the hospital, the ambulance has "Snyder" in script displayed on the driver's and rear door. In the next shot as the vehicle drives away, the signs say "Ambulance".
While in the bar with Wenzel, David's loose necktie knot changes positions and tightness.
The name of the boat is the Janeel Trader from San Pedro as first seen on the life preserver when Griffin enters the bridge during the storm. However, in the next shot of the ship from the stern, the boat's name is the Chinese Star and the location of registration is something much longer than San Pedro.
While in court, Perry flips over a printed sheet and pretends to read from the blank backside of the sheet of paper to force a confession from the killer.
After Griffin comes onto the bridge of the Janeel Trader, he stumbles on his line to the Captain saying, "As of now sir. Look, Pat, Captain Bancroft, this shiny new coat of paint..." The "Pat" appears to be spoken in error.