Born in London to a French father and American mother, Sid grew up primarily in Brazil. He has also lived in Kenya, Uganda, Istanbul, and Paris, returning to London in 2007 to study acting at The Poor School. After leaving the school he spent several years in London working extensively on both stage and screen.
During that time he gave critically acclaimed performances at The Southwark Playhouse, Riverside Studios, The New Diorama, The Roundhouse, and many others in roles as diverse as Dionysus in The Bacchae and Nick Carraway in The Great Gatsby.
Most recently he has completed filming the role of Tony in Stephen Frears' Untitled Cycling Project (WORKING TITLE, CANAL+), which chronicles the life of Lance Armstrong.
Sid is based primarily in Los Angeles, returning to London regularly.