Certainly! Here’s a curated list of male actors who have gone full-frontal in mainstream movies without using prosthetic penises, highlighting their bold choices for realism on screen:
1. **Michael Fassbender**
Fassbender appeared nude several times in *Shame* (2011), explaining he did it to challenge the double standard in Hollywood and to honor his mother’s complaints about the lack of male nudity [source](https://www.vulture.com/2011/11/michael-fassbender-on-simulating-sex-in-a-dangerous-method.html).
2. **George Clooney**
Clooney famously referenced Fassbender’s nudity during his Golden Globe acceptance speech, jokingly thanking him for “taking over the frontal nudity responsibility” [source](https://www.youtube.com/watch?v=KvMca70zxSA).
3. **Aaron Taylor-Johnson**
Naked and dancing in slo-mo in *A Million Little Pieces* (2018), he described the scene as therapeutic and vital for his character’s arc. He also filmed a nude scene in *Nocturnal Animals* (2016), which was cut due to his size [source](https://www.youtube.com/watch?v=9uAZOM6sJCE).
4. **Jude Law**
Law has performed full-frontal several times, including in *Eden* (2024), with director Ron Howard confirming that his past nude scenes made doing it again easier [source](https://www.youtube.com/watch?v=6oFNtMD8HC8).
5. **Daryl McCormack**
Mained entrance in *Good Luck to You, Leo Grande* (2022) with a final full-frontal scene. He prepared by getting naked with co-star Emma Thompson and director Sophie Hyde in rehearsals [source](https://www.the-independent.com/arts-entertainment/films/features/daryl-mccormack-leo-grande-bad-sisters-b2266164.html).
6. **Jack O’Connell**
Nude scenes in *Starred Up* (2013), including a notoriously cold shower scene shot with non-heated water, which he approached humorously, pleased with the final result [source](https://www.youtube.com/watch?v=GgnWwo2RE9Q).
7. **Tom Hardy**
Has filmed full-frontal scenes in *Bronson*, *Stuart: A Life Backwards*, and *Taboo* (2017), openly criticizing clothing restrictions and favoring bare skin for authenticity [source](https://www.bbc.com/news/newsbeat-38519859).
8. **Eric Balfour**
Performed unsimulated sex in *Lie with Me* (2005), with his co-star Lauren Lee Smith describing the experience as intense and real, with the role demanding full nudity and live sex [source](https://www.pressreader.com/canada/toronto-star/20051115/282067682335381).
9. **Cooper Koch**
Naked during a shower scene in *Monster* (2024) and in *Swallowed* (2022), he emphasizes his willingness to take on roles that require full frontal, despite raised concerns from friends and family [source](https://www.youtube.com/watch?v=TnSabqZgg5o).
10. **Barry Keoghan**
In *Saltburn* (2023), famously danced nude in a key scene. He admitted his main nervousness was about dancing, not nudity itself, and was comfortable once he overcame that hurdle [source](https://www.vanityfair.com/hollywood/2023/11/saltburn-star-barry-keoghan-on-the-films-revealing-ending).
11. **Jack Reynor**
Filmed a full-frontal scene in *Midsommar* (2019), advocating for maximum exposure as part of his character’s arc about vulnerability and humiliation, with about 15 hours of shooting dedicated to it [source](https://www.youtube.com/watch?v=Za3Ao5diXhM).
12. **Chris Pine**
Had a brief, distant nude shot in *Outlaw King* (2018). He spoke about the double standard in male nudity, feeling the shame and embarrassment after viewers focused on his penis [source](https://www.youtube.com/watch?v=M7-8Glx-uhE).
13. **Diego Luna & Gael García Bernal**
Both appeared nude in *Y Tu Mamá También* (2001), with Cuarón emphasizing that the scenes served social and narrative purposes beyond titillation, transcending typical teenage sexual scenes [source](https://www.nytimes.com/2021/08/25/movies/y-tu-mama-tambien.html).
14. **Kevin Bacon**
His famous full-frontal shower scene in *Wild Things* (1998) was cut to avoid depicting male intimacy. Bacon regrets the scene was removed but remains an icon for his boldness [source](https://www.out.com/film/kevin-bacon-and-matt-dillon).
15. **Ewan McGregor**
The actor is well-known for starring nude in numerous films (*Velvet Goldmine*, *Trainspotting*). He openly discusses his love for nudity, believing films should reflect innate human nature [source](https://www.eonline.com/news/369544/ewan-mcgregor-talks-naked-movie-scenes-has-no-plans-to-stay-clothed-onscreen).
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While the move toward authentic nudity in film remains a contentious topic, these actors exemplify dedication to realism and artistic integrity without relying on prosthetics for their most vulnerable moments.