Biografia

Warwick's grandmother heard a radio announcement calling for people under 4 feet in height to try out for Star Wars: Episódio VI - O Retorno de Jedi (1983). She took him, then 2-foot-11, to the audition. He was originally cast as a background Ewok, but his role was expanded during filming as he impressed the filmmakers, and when Kenny Baker fell ill, Warwick was chosen to take his place in the key role of the first Ewok met by Princess Leia.

Runs Willow Personal Management, "The biggest agency for short actors in the world".

He owned a line of Star Wars action figures as a kid. When he was cast in "Return of the Jedi", Mark Hamill bought Warwick a set of action figures that wasn't in his collection.

Met his wife Samantha Davis when she was an extra on the set of Willow: Na Terra da Magia (1988).

Cast as the body of Marvin the Paranoid Android in O Guia do Mochileiro das Galáxias (2005), while Marvin's voice was provided by Alan Rickman. Coincidentally, both actors play characters in the Harry Potter film series.