Joining Mr. Najera onstage are Eugenio Derbez , a boyish , versatile comedian known for his television shows in Mexico ; Rene Lavan , a handsome , Cuban-born actor whose resume includes stints on telenovelas and supporting roles in Hollywood movies and television shows ; and Shirley A. Rumierk , a native New Yorker and Harvard graduate with a pleasingly idiosyncratic beauty .