William Riker is a fictional character from the television series Star Trek: The Next Generation. He serves as the first officer aboard the starship USS Enterprise-D and is portrayed by actor Jonathan Frakes. Riker is known for his leadership skills, strategic thinking, and strong moral compass, often making critical decisions during missions. Riker's character is notable for his close relationship with Captain Jean-Luc Picard, as well as his romantic involvement with Deanna Troi, the ship's counselor. Throughout the series, Riker demonstrates loyalty and bravery, often taking on dangerous assignments to protect his crew and uphold the values of the United Federation of Planets.