The phrase "act a part" is correct and usable in written English.
It can be used when referring to performing a role in a play, film, or any other form of acting.
Example: "In the school play, she was excited to act a part that required her to portray a historical figure."
Alternatives: "play a role" or "perform a character."
"With a screen in the way it's like you can act a part that's exciting.
He was convinced that Rinty could be taught to act a part — not just to carry a story through action but "to register emotions and portray a real character with its individual loves, loyalties, and hates".
Not only, then, did Mr. Armstrong have to act a part, he had to produce and pay for certain key scenes — footing the bill for parties and shopping sprees.
As well known, hyperthermal collisions act a part in the chemistry of extreme environments, such as those encountered in plasma, rocket plumes, and space vehicles in low-earth orbit.
The story of how Saatchi lost the plot in the late 1980s and early '90s is itself a case study in being led astray by still trying to act a part in a play that ended a while back, but what's equally interesting is how the company was able to rethink its plot, as Saatchi's chief executive, Kevin Roberts, has noted in his blog.
We want them to act a part in well-organized plans for helping other youth". Yes, she used the word "army".
The chief service Boyle Roche rendered his government was in connection with the Volunteer Convention of November 1783, in which he "acted a part only less remarkable than his immunity from the opprobrium which might have been expected to attach to it".
He will probably also invite them to act out a part of "Teeth of Heaven".
In addition, these complexes can act as a part of resistant starch found in samples, which varies from 4.64 ± 0.15 to 12.13 ± 0.30 g/100 g sample in different extrudates.
Searching for traveling wave solutions of NLPDEs acts a pivotal part in the study of nonlinear physical phenomena.
In their study, Cavalcanti and Oquendo [5] considered the situation where the internal dissipation acts on a part of Ω and the viscoelastic dissipation acts on the other part.
