'fateful role' is correct and usable in written English.
You can use this phrase to refer to a role that has a crucial, decisive, or fateful impact on something. For example, "The President played a fateful role in negotiating the peace treaty."
Buda Castle, where Miklós Horthy, the country's regent, resided after 1920, played a fateful role in World War II.
Ansari had moved to Los Angeles, and, a few months later, he landed his fateful role in "Funny People".
Not surprisingly, the book discusses Branca's fateful role in the drama and the abuse he took for years for having thrown the pitch that Thomson hit at the Polo Grounds.
Schwartz offers several reassurances, for example that growth spurts usually occur between the ages of 12 and 15, so those frustrated about their size may get a second chance to catch up, though genetics, alas, plays a fateful role.
Another highlight is the driven typewriter-clacking score that dominates the first half, sinister and gunfire-loud, echoing the fateful role played by a pornographic note typed by James McAvoy, whose everyman quality is a plus in a film with memorable highlights.
Luckily Leslie Anne spotted the Recessionista (finally!) and cast her in her fateful role, the role she was born to play: To sell consumers stuff when times are tough.
Courtney Anderson, while first-rate in the fateful "Serenade" role known as the Dark Angel, was bland in "Sonatine".
It's an incredible privilege to share this historic day with an iconic trailblazer in the fight for LGBT equality, who played such a central role that fateful early morning on June 28 , 1969
Thus, the literature is inconsistent on the role of fateful traumatic events in the development of AUDs.
The impulse to turn Dimon into a pinstripe idol obscures his role in these fateful developments.
Over the decades that followed — and that culminate this week in her Diamond Jubilee celebrations — that undoubted queen diligently fulfilled a role she considered fateful.
