Cappe's most notable acting role is that of Derek Sanders, a role that he began in a series of The Good Witch TV movies before reprising the role on the television series.[2] In 2007, he appeared in the winning video for Matthew Good's song "Born Losers".
Cappe is one of 8 children.[7] At the age of 23, Cappe went on a trip to Israel where he met then 19-year-old Keri West. They formed a relationship after discovering they lived a short distance apart in Toronto.[8] Cappe proposed to Keri in 2014 with a ring made from her grandparents' jewelry in front of an audience at Frontier College.[7][8] In 2017, they legally married at city hall after having previous celebrations with family.[7][8] The couple pursued adopting a child since the year 2017,[8] and welcomed a baby girl named Wolfie in 2021.[9][10][11]