Linh PhamDS9: Bajoran made to look like a Cardassian
VOY: Cardassian made to look like and be a Bajoran
Need to make it look like you are a Bajoran in order to infiltrate the Maquis? Ask your doctor if Orkett's disease is right for you.
Side effects may include: pissing off another member of the Maquis, making people suspicious of you, fall in love with a member of the Kazon-Nistrim.
Cost can be as low as losing two days of replicator rations.