Cunningham was an English agent stationed in Barcelona during the First World War.
Cunningham was a novelist who wrote thrillers before becoming a secret agent himself during World War I. As a spy in 1917 he met with fellow agent Indiana Jones.
Cunningham was played by Timothy Spall in Espionage Escapades.
The character is pictured with Indiana Jones and Marcello in Indiana Jones: The Ultimate Guide but he is misidentified in the caption as "Saul from France".