Sebastian Spence (born December 9, 1969)^[1] is a Canadian actor. He played the lead role of Cade Foster in the Space Channel science fiction television series, First Wave (1998–2001).^[2]

Spence was born in St. John's, Newfoundland to Michael Cook and Janis Spence, both playwrights.^[3] His first professional acting job was at age 16, in a play written by his mother.^[4]

Spence's first on-camera role was in second part of the Canadian television miniseries, The Boys of St. Vincent, which was well-received by critics.^[5][6][7] His next role was in the trilogy of A Family of Cops television films with Charles Bronson, playing Eddie Fein the younger son of Bronson's character.^[8][9][10]

Spence's first film role was in the futuristic Anchor Zone, which was filmed in his native Newfoundland.^[11] performed in a substantial role in the film Drive, She Said in 1997; the film's storyline and staging were criticized by reviewers.^[12][13] Spence's first leading role was as Cade Foster, in the Space Channel (and later Sci-Fi Channel) original series, First Wave,^[14] which ran between 1998 and 2001.

Spence played the role of Cliff Harting on the Hallmark Channel drama Cedar Cove, between 2013 and 2015.^[15]