John Marquez

Unhappy with his lot in life, Bert Large abandons his plumbing business to start his own restaurant.

A new police officer, who has narcolepsy, replaces Mark Mylow, and Martin treats a girl who's been taking her mother's diet pills.

Louisa has a medical scare and goes to Martin for reassurance, and Martin learns the surgery needs some updating.

Louisa Glasson finds out she has a rival for Doc Martin's affections, and Martin accidentally runs over a dog.

Louisa ends her relationship with Martin, but when she needs him to treat her injured friend, he gets a chance to redeem himself.

Louisa's new neighbours cause problems for her, for Martin and for other residents.