Fransham graduated from the New Zealand School of Dance with a third year scholarship diploma in 1991, and then won entry to The London Contemporary Dance School, but did not attend.
In 1992 Fransham began freelance work, performing in Paul Jenden's South Island tour of Dance South and in '93, and toured New Zealand with Footnote Dance Company.
He made his first dramatic role debut as "Rudy" in Jacqueline Coats's stage production of Bent This won a 1997 Chapmann Tripp Theatre Award for "Most Original Production of the Year". Since then he has performed in musical theatre, dramatic plays, vaudeville, puppetry, and Sketch comedy shows, with increasing work in film and television.
Fransham performed in several episodes of Legend of the Seeker (2008–2010), in various featured roles of horrifying creatures. Fransham works across multiple disciplines, including stunt performance, (e.g. with Terry Notary, in The Hobbit film trilogy, as a goblin, and with the stunt team as various orcs, goblins, humans and elves).
In 2015 Fransham played the role of a vampire in the film What We Do in the Shadows, and also appeared in three episodes of Ash vs Evil Dead.
