Doba has appeared in the thriller Look @ Me (2006), the short science fiction films The Ore (2007) and Forced Alliance (2007, with Melodee Spevack), the comedy The Wedding Video (2007), the action film Smuggler's Ransom (2007), and more recently in the drama Montana (2008). Doba studied acting under coaches such as Pat Hingle, Zora DeHorter, and Mark Bramhall and has performed in several stage plays and television productions.