The Big Cube

A successful stage actress who marries a wealthy tycoon and becomes the focal point of a deadly web of manipulation. After her husband’s death, she endures a concussion and LSD-fueled episodes that threaten her sanity and her obligations under the will. Poised and resilient, she navigates deceit, memory loss, and a climactic revelation to uncover the truth.

A wealthy tycoon whose death in a boating accident triggers a cascade of family intrigue and a will that could disinherit his daughter. His absence sets Adriana’s vulnerability and the manipulation by others into motion, making his wealth and status a coveted prize. He remains a driving force behind the plot’s stakes.

Charles’s daughter, distrustful of Adriana and quick to believe she is a threat to her inheritance. She collaborates with Johnny to manipulate Adriana, then presses for a hush-money settlement. Her choices propel the plot toward confession and reckoning as the truth emerges.

Lisa’s charming but unscrupulous boyfriend, a medical student who pursues wealth and women. He orchestrates the LSD plot to fracture Adriana’s mind and silence her, only to find himself exposed as the conspiracy unravels. His arrogance and manipulation drive much of the film’s tension.

A playwright friend of Adriana who has long loved her. He channels her trauma into a new play, hoping to recover her memory by reenacting their experiences. He orchestrates the climactic reveal by performing the actual recordings, helping Adriana confront the truth and move toward healing.

Lisa’s free-spirited best friend, a foil to the controlling plots around Adriana. She represents a more carefree world and becomes entangled as Johnny targets those close to Lisa. Her presence underscores the complexity of trust and loyalty within the group.