In 2010, Penikett played the lead role of Matt Ellman on Syfy's miniseries Riverworld an adaption of the science fiction books written by Philip José Farmer of the same name.
În 2010 Penikett a jucat rolul principal al lui Matt Ellman în miniserialul Syfy Lumea Fluviului, o adaptare a cărților science fiction scrise de Philip José Farmer.