Performer who executes dangerous or physically demanding sequences for the lead actor — stunts, fights, falls. Must match build and movement signature closely.
A double leaps from a moving car, falls from a roof, fights through flames — while the star sits in the dressing room drinking coffee. That is their core task, but anyone working with doubles on set quickly realizes: it's about much more than mere physicality.
A double must not only have the same build but also be able to imitate the principal actor's movement patterns. Gait, posture, arm movements — details that maintain continuity in medium and wide shots. In the edit, the audience cannot be fooled if the double suddenly walks differently than the star. That's why doubles often sit through rehearsals for days to internalize facial expressions and gestures. Good doubles are former dancers, athletes, or stunt performers with a strong sense of body awareness.
Practically on set, a distinction is made between stunt doubles for dangerous action sequences and body doubles for close-ups of body parts — for example, when the star is nude and legal or personal reasons prevent direct filming. A double for a car chase through the city must also be able to endure pain and have the right accident insurance. The crew communicates with them differently than with the principal actor: more directly, factually, focused on the movement rather than psychological nuances.
What many underestimate: the double contributes significantly to shooting schedule efficiency. While the principal actor is being prepared for dialogue takes and close-ups, the dangerous scene is already being shot with the double. This saves days. Conversely, it requires planning discipline — double rehearsals must take place early, and the editing must be precise so that the switch remains invisible. A poorly executed cut-transition between the star and the double is immediately noticeable and breaks the illusion.
In the European production context, doubles are often specialized: there are doubles for specific actors who work with them for an entire film year. This creates a kind of partnership in which the double knows the star's peculiarities precisely. With larger budgets, the double is also contractually protected — stunts above a certain risk level require special releases and insurance.