[2] Hill began his film career as a contract star for 20th Century Fox beginning with Cheaper by the Dozen.

He also appeared in Sam Fuller's Fixed Bayonets (1951) and John Ford's What Price Glory as well as in a key role opposite Kirk Douglas in the 1951 crime drama Detective Story.

In the mid-1960s, he moved to Spain and gained a new series of fans as a lead actor in several Spaghetti Westerns beginning with Hands of a Gunfighter (1965).

[3] In 1978 he settled in Begur[2] and starred in several Euro Horror films as well, including The Bloodstained Shadow (1978) and The Monsters of Terror (1970).

[4] In 1990, Hill wed Catalan fashion model and actress Teresa Gimpera, his co-star in the 1966 Spanish film Black Box Affair.