Fifty Shades of Grey has announced its latest casting - Callum Keith Rennie.

The 53-year-old actor is set to play Anastasia Steele's (Dakota Johnson) stepfather Ray.

Ray is Anastasia's first stepfather in EL James's novels, after her mother Carla (Jennifer Ehle) remarried. Anastasia considers Ray to be her "real" father, compared to her mother's current husband Bob (Dylan Neal).

It was also recently revealed that Rita Ora will play Christian Grey's (Jamie Dornan) sister Mia, while Marcia Gay Harden will play his mother.

Rennie recently starred in The Young and Prodigious T.S. Spivet alongside Helena Bonham Carter.

Fifty Shades of Grey will be released on Valentine's Day weekend in 2015.