January 29, 1991 (age 21)
Calum Worthy was born in Victoria, British Colombia. Ever since his childhood, he had loved to make people laugh and smile, to entertain in general. Due to that, he decided he wanted to become an actor at the age of four, after watching Macaulay Culkin in Home Alone. A triple threat, Calum has been performing on stage as a singer, dancer and actor since the age of five. He attended Claremont Secondary School, and, at the age of nine, was accepted into Tarlington Training Professional Children's Program for three years. He studied Voice, Tap, Jazz and Piano, and won the Canadian National Young Composer’s Award (piano) when he was only eleven years old. On the show he is what most people call the "Class clown". is so tall
Calum made his screen debut at the age of nine, guest starring in Fox's Night Visions (directed by Bill Pullman). At the age of ten, he booked his first leading role, starring in the BBC six episode mini-series I Was a Rat, with Brenda Fricker, Tom Conti, Edward Fox and Don McKellar (directed by Laurie Lynd). He has since completed more than fifty different films and television projects, and has worked in five different countries – Canada, USA, Australia, England, and Singapore. Equally comfortable in dramatic and comedic roles, he has won two Young Artist Awards, and a Leo Award (Canada) for “Leading Actor” roles. Calum is currently living in Los Angeles, starring in the first season of the new Disney series Austin & Ally, with Ross Lynch, Laura Marano, and Raini Rodriguez.
|2001||Night Visions||Praire Boy||Episode: "A View Through the Window/Quiet Please"|
|2001||I Was a Rat||Roger/Ratty||lead role|
|2001||Bunshiro and Fuku||Young Yonosuke||mini series|
|2001||Mysterious Ways (TV series)||Alien/Clown||Episode: "Do You See What I See?"|
|2002||Belief: Fact or Fiction||Randy||The Mandarin's Bowl|
|2002||Out of Order (TV series)||Young Mark||mini series|
|2003||Lampoon's Thanksgiving Family Reunion||Danny Snider||TV Movie|
|2004||Scooby Doo 2: Monsters Unleashed||Kid on Bike||cameo|
|2004||The Days||Keenan||Episodes: "Day 1,385" & "Day 1,403"|
|2004||Stargate Atlantis||Hunter Kid||Episode: "Childhood's End"|
|2005||Reunion (TV series)||Henry||Episode: "1989"|
|2005||When Jesse Was Born||Danny Ferrell||Lead Role|
|2006||Dr. Dolittle 3||Tyler||Video|
|2006/2007||Kyle XY||Toby Neuworth||Episode: "This Is Not a Test"|
|2006||Deck the Halls (film)||Boy on Bike||uncredited|
|2006-2007||Psych||Malone/Shockley||Episodes: "If You're So Smart, Then Why Are You Dead?" & "Shawn vs. The Red Phantom"|
|2007||Second Sight||Young Victor Kaufman|
|2007||The Last Mimzy||Teenage Cyborg|
|2008||Left Coast||Pete||TV Movie|
|2008||Supernatural (TV series)||Denny||Episode: "Wishful Thinking"|
|2009||Smallville||Garth Ranzz/Lightning Lad||Episode: "Legion"|
|2009||Flashpoint (TV series)||Billy Dresden||Episode: "Perfect Storm"|
|2009||Living Out Loud||Henry||TV Movie|
|2009||What Goes Up||Blastoff! Chorus|
|2009||Stormworld||Lee||Series Regular (26 episodes)|
|2010||Daydream Nation||Craig||Lead Role|
|2010||Tower Prep||Don Fincher||Episodes: "Monitored" & "New Kid"|
|2010||Caprica (TV series)||Cass||Episodes: "The Dirteaters" & "Blowback"|
|2011||The Odds||Berry Lipke|
|2011||Zeke and Luther||Teddy||Episode: "Zeke and Lu's New Crew"|
|2011||R.L. Stine's The Haunting Hour||Kelly||Game Over|
|2011||Good Luck Charlie||Lewis||Episode: "A L.A.R.P. in the Park"|
|2011-present||Austin and Ally||Dez||Main Cast|
|2011||The Big Year||Colin Debs|
- Even though Calum does work in the United States, he currently lives in Canada.
- He is the oldest cast member out of the 4 main cast members (himself, Ross, Laura and Raini).
- He is the tallest of all the four.
- He is the only canadian.