Lucas Stephen Grabeel ( GRAY-beel; born November 23, 1984) is an American actor, singer, and songwriter. He is best known for his role as Ryan Evans in the High School Musical film series (2006–2008). His other film appearances include Halloweentown High (2004), Return to Halloweentown (2006), Alice Upside Down (2007), and The Adventures of Food Boy (2008). He appeared as a young Lex Luthor and Conner Kent in the television series Smallville (2006–2011).

In 2011, Grabeel released his debut extended play, Sunshine. He went on to play Toby Kennish in the ABC Freeform drama series Switched at Birth (2011–2017). He also provided the voice of Deputy Peck in the Disney Junior television series Sheriff Callie's Wild West (2014–2017) and the title character in the Netflix series Pinky Malinky (2019).