Cassie's most recent hour documentary about the late designer Virgil Abloh aired on BBC3 and is available on BBC iPlayer.

He has developed documentary feature projects about Stokely Carmichael, Malcolm Shabbazz, the history of Black British Music with PBS, the BBC and HBO amongst others. His first BFI funded feature-length film Generation Revolution was released in cinemas in the UK and toured the US and South America.