He was recognized for his role as Victor Sebastian in NBC's Five Fingers. He gained additional fame for his role in the television series Voyage to the Bottom of the Sea.
The movie Blood and Sand was his inspiration to pursue an acting career.
He played the dead scientist in the 1958 movie The Fly.
He had two children named Alexandra Hedison and Serena Hedison with Bridget Hedison, who he married in 1968.