Identity and Disguise

Hannay constantly adopts false identities—as a milkman, a roadman, a political candidate, and a chauffeur—to evade capture and infiltrate enemy plans, emphasizing the theme of shifting identity for survival.

Hannay adopts a milkman's disguise and later plans to pass as a Scotsman, highlighting themes of hidden identity.

Hannay adopts the appearance of a hill farmer to blend in with other passengers.

Hannay adopts the persona of a hungover roadman, complete with borrowed spectacles, hat, and pipe, to evade his enemies.

Hannay adopts the alias 'Ainslie' and his appearance has changed from his London photographs, allowing him to pass as a tramp.