Robert Fox's first job was as an actor. Subsequently he worked as a runner for John Heyman at World Film Services. He then went to the Royal Court as an Assistant Director. In 1973 he joined Michael White Limited where he became an Associate Producer on a number of shows including A Chorus Line, Annie and The Rocky Horror Show. He formed Robert Fox Limited in 1980.
Since then he has produced or co-produced over 50 productions in the West End as well as a number on Broadway. These include: Goose Pimples by Mike Leigh; Anyone For Dennis? by John Wells; Another Country by Julian Mitchell - in this play Rupert Everett, Kenneth Brannagh, Daniel Day-Lewis and Colin Firth all made their West End stage debuts; Crystal Clear by Phil Young; The Seagull by Anton Chekhov starring Vanessa Redgrave, Jonathan Pryce and Natasha Richardson; Torch Song Trilogy by Harvey Fierstein starring Anthony Sher; Ronald Harwood's Interpreters starring Maggie Smith and Edward Fox, and J.J. Farr starring Albert Finney; Chess by Tim Rice, Benny Anderson and Björn Ulvaeus; Lettice And Lovage by Peter Shaffer starring Maggie Smith; Anything Goes starring Elaine Paige; Martin Sherman's A Madhouse In Goa and When She Danced, both starring Vanessa Redgrave; Burn This by Lanford Wilson starring John Malkovich; the World Premiere of Arthur Miller's The Ride Down Mt. Morgan directed by Michael Blakemore; The Importance Of Being Earnest starring Maggie Smith and directed by Nicholas Hytner; and Vita & Virginia by Eileen Atkins; Edward Albee's Three Tall Women starring Maggie Smith, directed by Anthony Page, Who's Afraid Of Virginia Woolf? starring Diana Rigg and directed by Howard Davies, and A Delicate Balance, starring Maggie Smith and Eileen Atkins; David Hare's Skylight starring Michael Gambon and Lia Williams; The Judas Kiss starring Liam Neeson, Amy's View starring Judi Dench - all three directed by Richard Eyre, and The Blue Room on Broadway starring Nicole Kidman and directed by Sam Mendes; The Boy From Oz, a musical in Australia; Little Malcolm starring Ewan McGregor; Closer written and directed by Patrick Marber; the World Premiere of Alan Bennett's The Lady in the Van starring Maggie Smith and directed by Nicholas Hytner; Harold Pinter's The Caretaker starring Michael Gambon; and the World Premiere of David Hare's The Breath of Life starring Judi Dench and Maggie Smith. Gypsy starring Bernadette Peters directed by Sam Mendes; Salome starring Al Pacino and The Boy From Oz starring Hugh Jackman. Peter Morgan's Frost/Nixon starring Frank Langella and Michael Sheen; Edward Albee's The Lady From Dubuque starring Dame Maggie Smith. The Vertical Hour written by David Hare, starring Julianne Moore and Bill Nighy. Eugène Ionesco's Exit The King, starring Geoffrey Rush. God Of Carnage starring Jeff Daniels, Hope Davis, James Gandolfini and Marcia Gay Harden. A Behanding in Spokane starring Christopher Walken, Sam Rockwell, Anthony Mackie and Zoe Kazan; Hugh Jackman Back On Broadway. The Judas Kiss starring Rupert Everett, The Audience, by Peter Morgan, starring Helen Mirren, directed by Stephen Daldry and Stephen Ward with music by Andrew Lloyd Webber. Fatal Attraction directed by Trevor Nunn and starring Mark Blazeley, Natascha McElhone and Kristen Davis. Skylight written by David Hare, directed by Stephen Daldry, starring Bill Nighy and Carey Mulligan; Skylight on Broadway, directed by Stephen Daldry, starring Bill Nighy and Carey Mulligan; Hugh Jackman's Broadway to Oz; Lazarus, directed by Ivo Van Hove, written by David Bowie and Enda Walsh, starring Michael C Hall, and Martin McDonagh's Hangmen starring David Morrissey.
He produced A Month By The Lake starring Vanessa Redgrave, Edward Fox and Uma Thurman, Iris directed by Richard Eyre starring Judi Dench, Kate Winslet and Jim Broadbent (who won the Academy Award for Best Supporting Actor for this role), The Hours starring Meryl Streep, Nicole Kidman and Julianne Moore, directed by Stephen Daldry and with a screenplay by David Hare and Notes on a Scandal starring Dame Judi Dench, Cate Blanchett & Bill Nighy and Wilde Salome, written by, directed by, and starring Al Pacino. He was Executive Producer on Another Country starring Rupert Everett and Colin Firth, Closer directed by Mike Nichols starring Julia Roberts and Atonement, directed by Joe Wright.