Suggestions by @jonas

HBO

as Producer in Spartacus

John Hamm

as Marcus Licinius Crassus in Spartacus

Numan Acar

as Muzel Shabaal in Spartacus

Roger Allam

as Quintus Lentulus Batiatus in Spartacus

David Costabile

as Lentelus Gracchus in Spartacus

Aidan Gillen

as Marcus Tullius Cicero in Spartacus

James Faulkner

as Licinius Crassus in Spartacus

Samantha Spiro

as Julia in Spartacus

Ken Stott

as Antonius Caius in Spartacus

Kevin McKidd

as Sellus Quintius Brutas in Spartacus

Roger Allam

as Muzel Shabaal in Spartacus

Noah Taylor

as Caius Marcus Senvius in Spartacus

David Franzoni

as Producer in Spartacus

Chiara Mastalli

as Helena Crassus in Spartacus

Kerry Condon

as Claudia Marius in Spartacus

James Marsden

as Caius Crassus in Spartacus

Ramin Djawadi

as Composer in Spartacus

Howard Fast

as Writer in Spartacus

Ridley Scott

as Director in Spartacus

Claes Bang

as Victarion Greyjoy in Rebellion - A Game of Thrones series