Secret Agent (1936) - Hitchcock's cameo

Until recently, there was a statement on Wikipedia that Hitchcock had a cameo appearance in Secret Agent (1936):

Alfred Hitchcock cameo: A signature occurrence in almost all of Hitchcock's films, he can be seen coming down the ship's gangway in front of Ashenden, at about 8 minutes into the film.

The Wikipedia edit appears to be based on a statement previously made on the IMDB web site.

The actor resembles Francis de Wolff and is certainly not Alfred Hitchcock: