He played in over 80 films, but radio roles were also numerous, and his television roles included parts in Danger Man and The Prisoner ("Checkmate", 1967). Other notable appearances included the recurring role of science Writer Harcourt Brown in the ABC serials, Pathfinders to Mars and Pathfinders to Venus, which were sequels to earlier serials; Target Luna and Pathfinders in Space. He appeared as Arbitan in the Doctor Who serial The Keys of Marinus (1964).