Salerio Solanio Lorenzo Gratiano "Gentlemen of Venice, and companions with Bassanio" Fashionable men of the Venetian Rialto, friends of Antonio and Bassanio Solanio Mark Umbers may be familiar to Masterpiece Theatre viewers: He played Elliot in The Prince of Hearts (1998). He has graced the small screen in a number of other British television productions and has performed on stage with the Royal National Theatre company, among others.