Swain has played various stage roles including Tony from West Side Story, Bobby from Crazy for You, Lt. Wright from The Secret Garden, and in other shows at BYU. In July of 2011, Swain returned from serving a mission for The Church of Jesus Christ of Latter-day Saints in Queens and Brooklyn, New York. When he returned from his mission. Swain became a member of BYU's Young Ambassadors.
In 2012, Swain played the parts of Sparky and William in Pickleville Playhouse's The Hanging of El Bandito.
In 2014, Swain won the regional Irene Ryan Scholarship Competition and went on to compete at the national level. Regional winners receive a scholarship, have their travel expenses to the nationals reimbursed, and have a chance to receive one of the two national Irene Ryan Scholarships.