 Alan Tudyk as Hoban " Wash " Washburne — Serenity 's pilot and Zoe 's husband . Deeply in love with his wife , Wash expresses jealousy over his wife 's " war buddy " relationship and unconditional support of their captain , most particularly in the episode " War Stories " , in which he confronts Mal regarding their relationship . He joined pilot training just to see the stars , which were invisible from the surface of his polluted homeworld , and he joined Serenity despite being highly sought after by other ships . He is very light @-@ hearted and tends to make amusing comments , despite the severity of any situation . 
