Caldinez has played Ice Warriors in all the Doctor Who serials in which they appeared prior to 2013. His Ice Warrior roles include Turoc from The Ice Warriors, an unnamed Ice Warrior in The Seeds of Death, Ssorg in The Curse of Peladon and Sskel in The Monster of Peladon. He also appeared as Kemel in The Evil of the Daleks. Other television roles include Abdullah on Sexton and Blake and the mulatto on The Return of Sherlock Holmes (episode "Wisteria Lodge").