Rawle played Amos Diggory, father to Cedric Diggory (Robert Pattinson), in Harry Potter and the Goblet of Fire. 2008 saw Rawle play Gilbert Murray in the National Theatre's production of Tony Harrison's play Fram. The following year, the actor guested in The Bill and appeared in The Sarah Jane Adventures on CBBC. During 2010, Rawle joined the cast of Hollyoaks in the role of Silas Blissett. He stated that he was delighted to be playing such a sinister character. He has won various awards for his portrayal of Silas.