Steward (Episode 2 II)

The Steward was a third class steward.

Episode 2
At boarding day, in the Third Class corridor, Steward Hart asks a passing steward why the cabin wasn't unlocked with the others. The latter shrugs and continues.

Episode 3
The steward walks away from Hart, followed by Mario and Paolo Sandrini.

Behind the scenes

 * The steward's portrayer is unknown as we only see his back.