Designer Tom Ford has made the move from runway to the big screen with a flourish with his directorial debut “A Single Man,”  a highly stylized account of a gay college professor dealing with the loss of his lover.

Colin Firth has sparked Oscar buzz with his performance, which won him the Best Actor award at the Venice Film Festival, and the Weinstein Company bought distribution rights for the movie at Toronto. That means the public will soon get their own chance to judge whether designer-turned-director Ford is as successful behind the camera as he was in bringing sexy silhouettes to the catwalk.

The former creative head at Gucci isn’t the only one to find a second calling in the movies. He joins a long list of "hyphen" directors - musicians, journalists and artists who have switched careers to become filmmakers.

Singers alone could fill up a list. Madonna made her directorial debut last year with "Filth and Wisdom," which was received with about as much as enthusiasm as her earlier attempts at acting, while heavy metal rocker Rob Zombie, who revived the "Halloween" franchise and is reportedly lined up to remake "The Blob," has made a name in horror films.

To be sure, some have been far more successful than others. One of the most notable crossovers of late has been British artist and Turner Prize winner Steve McQueen, who made a splash at Cannes last year with "Hunger." His picture about an IRA hunger striker won the Camera d'Or for best first feature film at the fest.

Former entertainment journalist and film critic Rod Lurie, who broke out with his 2000 film “The Contender” starring Joan Allen as a Vice President nominee under scrutiny, has also developed credibility as a director of political films.

The most successful crossover of all? Perhaps Woody Allen, who started out as a stand-up comic before taking up position behind the camera. But you tell us, who do you think are the best film directors to cross over from other fields? Tell us in the comments below.