[5] In 1964, Fox won a BAFTA Award for Most Promising Newcomer to Leading Film Roles for The Servant (1963), working alongside Dirk Bogarde, Sarah Miles, and Wendy Craig.

[6] On 16 June 1965, Ken Annakin's period aviation film Those Magnificent Men in Their Flying Machines was released.

In this British period comedy film, Fox is featured among an international ensemble cast including Stuart Whitman, Sarah Miles, Robert Morley, Terry-Thomas, Red Skelton, Benny Hill, Jean-Pierre Cassel, Gert Fröbe and Alberto Sordi.

[10] During this time, the only film in which Fox appeared was No Longer Alone (1976), the story of Joan Winmill Brown,[11] a suicidal woman who was led to faith in Jesus Christ by Ruth Bell Graham.

[11] After an absence from acting of several years, in 1981 Fox appeared on television in the Play for Today "Country" by Trevor Griffiths, a comedy drama set against the 1945 UK parliamentary elections.

He appeared in the Doctor Who audio drama Shada,[4] and in 2007, he guest-starred in the British television crime series Waking the Dead.

[4] He was part of the cast of Sherlock Holmes (2009), as Sir Thomas, leading member of a freemason-like secret society.