細長 悟

The head waiter of the European-style restaurant 'La Carneval'. He was serving there on the day of the incident.
A chief inspector in the Imperial Police Bureau.
Aboard the SS Burya, he was on an undercover mission, posing as a member of the ship's crew.

(Dai Gyakuten Saiban 2 -Naruhodou Ryuunosuke no Kakugo-)
A chief inspector in the Imperial Police Bureau who was surreptitiously submerged in the sea in order to keep watch over Miss Brett. He was present at the time of her murder.