Zubair Ahmed Siddiqi (5 May 1944 – 28 May 2003), better known as Marc Zuber, was an Indian–British actor, who appeared in many British and Hindi films and television dramas.

Zubair Ahmed Siddiqi was born on 5 May 1944 in Lucknow, India. He moved to Britain with his family in 1951, joining his father who had become a BBC radio producer there, 2 years prior. Zuber grew up in London and went to Harrow Technical College, before training as an actor at the Webber Douglas Academy of Dramatic Art.

He left drama school in 1968 and changed his name to Marc Zuber, on the advice of his agent and began his acting career in theatre with seasons in Chester, Bolton, Richmond, the Shaw Theatre, London and for two years at the Royal Shakespeare Company. He mostly appeared in small roles in film and television, including Coronation Street in 1990, in which he portrayed Mr Khan, but he also starred in the Hindi films, Yeh Nazdeekiyan (1982) and Kamla (1984), and played a leading role in Qatl (1986).

His film appearances include: The Satanic Rites of Dracula, The Wind and the Lion, The Sea Wolves, Shirley Valentine and Robin Hood: Prince of Thieves, while his television credits include: The Onedin Line, Doomwatch, The Regiment, The Changes, Space: 1999, Quiller, Blake's 7, The Sweeney, Minder (Aces High – and Sometimes Very Low), Buccaneer, The Enigma Files, The Chinese Detective, The Bill, Holby City and King & Castle.

He also worked with Indian actor Aditya Pancholi and Indian actress Persis Khambatta, in television film Shingora

Zuber died on 28 May 2003, in London, England at the age of 59, from a heart attack.