Lawrence Cavendish

In The Mysterious Affair at Styles, Lawrence Cavendish is the younger brother of John Cavendish and the stepson of Emily Inglethorp and her younger husband Alfred.

Lawrence Cavendish had been "a delicate youth". He first qualified as a doctor but abandoned his studies and started to write verses without any success.

Portrayals
In Agatha Christie's Poirot, Lawrence Cavendish was portrayed by Anthony Calf. Here he tries to protect Cynthia Murdoch from being suspected about the death of Emily but he never attempts to steal a bottle of poison from her nursing home.