In the early 1940s, Howard gained acting experience in regional theatre, the London stage and eventually films; his official debut was in 1947's While the Sun Shines.

Howard played Will Scarlet in the episode of the same name of the 1950s British television classic The Adventures of Robin Hood starring Richard Greene.

In addition to 21st century DVD releases, in 2006 and 2014 this series was broadcast in the UK on the satellite channel Bonanza, before being repeated in May 2021 on Talking Pictures TV.

His conclusion (which remains in dispute) was that the Germans' goal in shooting down the plane was to kill his father, who was Jewish and who had been travelling through Spain and Portugal, ostensibly lecturing on film, but also meeting with local activists and shoring up support for the Allied cause.

[4] The book explores in detail written German orders to the Ju 88 Staffel based in France which was assigned to intercept the aircraft, as well as communiqués on the British side that verify intelligence reports of the time indicating a deliberate attack on Howard.