Callum has been acting in film and television since the age of 8 when he was cast as James Ginsberg, Justice Ruth Bader Ginsberg's son in Focus' Feature Biopic "On The Basis Of Sex". Along side Felicity Jones, Armie Hammer, Cailee Spaney. Callum since, can be seen in popular Netflix movies: "Polar" and "The Silence". As well as renowned TV series: Amazon's "The Boys", CBC's "AnnE" and "Kim's Convenience". And reoccurring in season 1 of Fox 21's notable TV mini series "The HOTZONE" He can be seen in TV Movies on CBC GEM "A Christmas Letter" and LifeTime network "Toying with the Holidays" of which he plays lead roles. Look for him later this year in a lead role on yet another Holiday movie which he just finished filming. No stranger to the voice-over and animation world, Callum has played numerous characters in current and past seasons on many networks. Performing leads in series; playing " Romeo" in PJ Masks (Disney Jr/ EOne) "Prince Wednesday" in Daniel Tiger's Neighbourhood (Fred Rogers Productions/PBS) playing "Scooch Pooch", in Go, Dog, Go! (Dreamworks/Netflix). Reoccurring supporting characters: "The Copy Cat" on Paw Patrol, (Nickelodeon) "Slater" on Corn & Peg, (Nick Jr) "Bubba" Kingdom Force (Universal Kids). Additionally, he can be heard voicing many characters on: the Pikwik Pack (Disney Jr), Mighty Express (Netflix), Elinor Wonders Why (PBS Jr), XavierRiddle and Wild Kratts (9Story Media). Most notably Callum voices "Rocky" on the Big Screen in the 2021 feature film Paw Patrol:The Movie (Paramount/Nickelodeon). And continues to work on many voice productions this year and a Big Screen Sequel to be released in 2023.