Biographie: Barclay Hope (born February 25, 1958) is a Canadian actor. He is perhaps best known for his roles as Clifford and Claudius Blossom on Riverdale, Mike Hayden on Street Legal, Peter Axon on PSI Factor, Col. Lionel Pendergast on Stargate SG-1, and Gen. Mansfield on Eureka. From Wikipedia, the free encyclopedia