1: "Discover Cillian Murphy's transformation secrets with co-star insights"

2: "Explore the sacrifices made for Oppenheimer role through diet changes"

3: "Cillian Murphy's dedication to method acting shines in Oppenheimer"

4: "Co-star reveals impact of Murphy's sacrificial diet on Oppenheimer portrayal"

5: "Uncover the behind-the-scenes diet regimen for Murphy's Oppenheimer role"

6: "Costar insights into Cillian Murphy's sacrificial diet for Oppenheimer"

7: "Oppenheimer transformation secrets: Cillian Murphy's sacrificial diet"

8: "How Cillian Murphy's diet influenced his Oppenheimer character development"

9: "Costar reveals Cillian Murphy's dedication to his Oppenheimer transformation"