Brychta began acting as a young child in the Czech film Kinoautomat, the world's first interactive movie, which was presented at Expo 67 in Montreal.
Brychta starred in TV series such as Maelstrom, Gentleman and Players, Lovejoy, and Taggart, as well as the award-winning The Escape (Border in the UK) and the BAFTA-nominated The Britoil Affair.
She went on to be cast in roles alongside Julia Roberts in Conspiracy Theory, Jim Carrey in Man On The Moon, James Garner in The Rockford Files and Angela Lansbury in Murder She Wrote.
She worked with directors Ronald Neame, Milos Forman, Richard Donner, and in Mark Rydell's Crime Of The Century for HBO with Isabella Rossellini and Stephen Rea.
Brychta has done voice-over for animated films such as Ice Age: Continental Drift, Cosmos, and The Bunbury Tails, and features including The Bourne Identity, Pirates Of The Caribbean and Man of Steel, as the voice of the mother ship.