Gerald Kyd (born Gerasimos Avvakoumides, 1973) is a Scottish actor of Greek descent. He became known for his role as Sean Maddox in the BBC medical drama Casualty.
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Early life and education
Gerald Kyd was born as Gerasimos Avvakoumides in Pretoria, South Africa. His father was Greek and his mother Scottish.
He moved to England after his parents divorced when he was 14, and studied at the London Academy of Music and Dramatic Arts for three years, graduating in 1997.
Career
Kyd was spotted by an agent who gave him work immediately after graduating. He later spent seven months performing in live theatre with the Royal Shakespeare Company.
He starred as Sean Maddox in the BBC medical drama Casualty from 1998 until 2000, later reprising the role for a few episodes in 2006.
Kyd subsequently appeared in many British TV series, including The Split in 2022, Malory Towers in 2024, and The Assassin in 2025.
He played MI6 agent Thomas Mercer in the 2025 Netflix miniseries Hostage, and in 2026 played Mylonas in the Netflix crime drama series Legends.
Filmography
Theatre credits
The Seagull – Boris Trigorin – Royal Shakespeare Company
Cyrano De Bergerac – Chevalier D'Antignac-Juzet
The Prophet in Exile – Khalil Gibran –
The Pit and the Pendulum – William –
Loves Labours Lost – King Ferdinand – English Touring Theatre
Deathtrap – Clifford Anderson –
The Local Stigmatic – David – Lyric Theatre, Hammersmith
The Ramayana – Rama – Birmingham
Richard II – Henry Hotspur Percy – Globe Theatre
Edward II – Gaveston – Globe Theatre
Revelations – Tony – Hampstead Theatre, London
Conversations in Havana – Che –
The Three Musketeers – Athos – Bristol Old Vic
Blood and Gifts – Colonel Afridi – Royal National Theatre (2010)
The Real Thing – Henry – West Yorkshire Playhouse, Leeds & UK Tour (2012)
55 Days – John Lilburne – Hampstead Theatre, London (2012)
Richard III – Catesby – Trafalgar Studios, London (2014)
Feed the Beast – Michael – Birmingham Repertory Theatre (2015)
