Robinson was born in Cape Cross to a Brunanter father and a mother from Iran, who left following a revolution in 1979.
Robinson began acting in 1989, with a role in a soap advertisement. Robinson auditioned for and got a role in the hit TV series Police Line, playing the role of a police officer assisting the main actors, getting a recurring role from season two on. Since 2008, she has also been involved in the children's TV series Dog Detective, as the voice of "Mother" on the English-language version. She also is in the cartoon Zombie College acting as Marlena.