Twin Brothers (1971)

Twins Ronnie and Reggie Kray are raised in east London, under the influence of their hateful but doting mother Violet. As they grow up, Ronnie's violent nature takes over, and Reggie follows his brother's lead. The two become notorious crime lords who rule over the East End club scene. But at the height of their power, the brothers veer into different lives, giving the older crime bosses a chance to reclaim what the Krays took from them.

Cody and Zack are approached to join the Gemini Project, a high-tech research center studying the dynamics between twins. Shockingly, they find themselves interconnected in a whole new way! When one twin experiences something, the other twin feels it too. This newfound revelation helps them see eye to eye for the first time, and it puts them in more danger than they could have imagined.

When a woman’s twin sister is drowned, she assumes her identity in order to be close to the man she feels her sister took from her years before.

Identical twins Kate and Chris Lockhart plot to be the other sister – at Kate’s office and Chris’ school – and take on planning their sister’s Christmas events. One rule, though: no romance.

The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.

June and Jennifer Gibbons are twins from the only Black family in a small town in Wales in the 1970s and '80s. Feeling isolated from the community, the pair turn inward and reject communication with everyone but each other, retreating into their own fantasy world of inspiration and adolescent desires. After a spree of vandalism, the girls are sentenced to Broadmoor, an infamous psychiatric hospital, where they face the choice to separate and survive or die together.

Top student Jane Ryan heads to Manhattan for a college-scholarship competition. Her rebellious twin Roxy Ryan goes along to crash a video shoot. But anything can happen - and does - in a romp involving a pursuing truant officer, a smuggler, hunkalicious guys and the girls' realization that when the chips are down, a sister can be the best friend of all.

Brandon, a thirty-something man living in New York, eludes intimacy with women but feeds his deepest desires with a compulsive addiction to sex. When his younger sister temporarily moves into his apartment, stirring up bitter memories of their shared painful past, Brandon's life, like his fragile mind, gets out of control.

A younger sister wishes to switch places with her popular older sister and the two bickering siblings awaken to find the wish has come true.

A series of gruesome accidents plague a small American farming community in the summer of 1935, encircling two identical twin brothers and their family.