Sam Heughan and Caitriona Balfe's chemistry onscreen has sparked dating rumors since Outlander first premiered in · The two actors have. Actor and singer Sam Milby and Miss Universe Catriona Gray are dating. Milby revealed their status on his Instagram account, posting a. Outlander's Sam Heughan Opens Up About His Love Life Off-Screen · He's says he's not currently dating anyone. · But what about his co-star. Erickson Raymundo, who handles both Sam and Catriona under Cornerstone, issued a statement and the two just happened to be guests at a gathering. David M. Sam received a surprise catriona greeting from Catriona on his 36th birthday. The Scene. Latest Dating Arlie O. Sam help. Subscribe Now.