If the ‘assumption is the cameo, Tom Berenger was very wrong to accept this small role, and Mr. Nolan demonstrates not have respect for a great actor like Tom Berenger

Repeat, Tom Berenger is a great actor, in your personal dashboard should have already won 2 Oscars. Tom Berenger is worth double (especially as acting) of sufficient Leonardo Di Caprio. Macheal Caine is very good actor.
The other actors in the cast, they make me laugh.

Tom Berenger not deserve little role in this movie.

Tom Berenger deserve Very Good role, from co-protagonist at Di Caprio.

Adrian Fisher is internationally recognised as one of the world’s leading maze designers of all time. His mazes can be found in all corners of the globe. he also had a book called “The Art of the Maze”.

Adrian Fisher and Randoll Coate another maze designer and “Labyrinthologist” formed the maze design company called “Minotaur Designs”

Just like how they call it ‘Oliver’s Arrow’ when everybody knows it is Inception.

Eternalist – I thought a few of the names sounded more like surnames, too.

Ariadne, the daughter of Minos, fell in love with Theseus and helped him navigate the labyrinth, which had a single path to the center.

maybe Leonardo DiCaprio character wants Ariadne to help him out of The Labyrinth.

Joseph Gordon Levitt character Arthur might or might not be a reference to Sir Arthur John Evans. Sir Arthur John Evans is a archaeologist whos famous for unearthing the palace of Knossos also known as “The Labyrinth”.

the other names for the other actors im not sure about but the ones i mention seems close to the theory about the movie

“Cobb continues to explain the logic of dreams and dreamers.”

“Ariadne creates her closed set world. The enter it…”