Who plays Gilbert in Glorious 39?

Gilbert is played by Hugh Bonneville.

How is Gilbert connected to other characters?

Gilbert has 2 mapped relationships in Glorious 39. Explore the interactive relationship map for details.

Gilbert — Social Friend — Anne Keyes (Romola Garai)
Gilbert is a trusted friend to whom Anne entrusts politically dangerous evidence.

The plot calls Gilbert Anne's fellow actor and friend, and Anne gives him one of the secret recordings.
Gilbert — Professional Actor And Director — Director (Tom Goodman-Hill)
The Director exercises immediate professional authority over Gilbert on set.

The Director orders the production to begin after Gilbert arrives late and visibly distressed.