According to a new book, James Dean and Marlon Brando had a secret sadomasochistic relationship that was fuelled by the Godfather star’s ego and obsessive craving for dominance.

According to the Daily Mail, the book, titled James Dean: Tomorrow Never Comes, alleges that the two actors would engage in “master and servant style sex sessions.”

It even makes the shocking disclosure that James would do everything Marlon requested, with Marlon even lighting cigarettes on James’ skin to show him who was in control.

Master and slave: Dean (front) and Brando (seated) were pictured together in 1954. A new book says they had a master/slave relationship with Brando, the bigger star, engaging in twisted mind games with the younger man

When a buddy saw the wounds on James’ chest, he stated, “I was practically ready to call the police on the brutal son-of-a-b*tch until Jimmy told me that he’d asked Marlon to do that to him. For the first time in my life I came to realize what a masochist Jimmy was — or was becoming.”

The book’s authors interviewed Stanley Haggart, a one-time “friend” of Dean, who claims that Brando would play twisted mind games with him, such as forcing him to watch as he had sex with strangers and forcing him to loiter outside his apartment in the cold in desperate hope of being invited in for sexual domination.

Brando never returned Dean’s feelings and instead engaged in a ‘cat-and-mouse game’ with his younger lover for his own entertainment.

Dean and Brando were icons of their age, and their dark emotional currents brought them together, according to the book.

Darwin Porter presented Brando to readers in a new perspective in 2006’s Brandon Unzipped, stating that the bisexual thespian slept with multiple male actors and directors. Aside from Dean, Porter said that Brando had homosexual relationships with Cary Grant, Montgomery Clift, and John Gielgud. Porter, on the other hand, stated that Dean was Brando’s “most lasting yet troubled” relationship out of all of them.

Darwin Porter and Danforth Prince’s book is based on talks with insiders and senior gossip writers who knew James before his untimely death in a 1955 vehicle accident at the age of 24.

It’s worth noting that the co-authors of this newest Brando/Dean exposé are Danforth Prince and Darwin Porter, who are well-known for creating a cottage industry of wholly manufactured sex claims about deceased celebrities.

Both men studied acting under Lee Strasberg, were found by director Elia Kazan, and played severe, gloomy roles.

In some ways, Dean was seen as Brando’s heir, and he only obtained roles in Rebel Without a Cause and East of Eden because Brando turned them both down.

For numerous years, the two were alleged to have had a tumultuous relationship. According to Contact Music, Brando and Dean had a large public battle at a Santa Monica, California party about Brando’s other male sexual interests. Brando expounded on his situation.

Marlon had a brief affair with Cary Grant, spending a weekend in San Francisco with him. Cary was also interested in the actor Stewart Granger, who would later become another of Marlon’s conquests. Marlon admired John Gielgud, but they were not romantically involved; instead, Brando performed sexual favors for Gielgud and told friends, ‘I owed it to him because he really helped me with lines in Julius Caesar.

According to another friend, “James talked frequently about Marlon and how frustrated he was in the relationship. I got the impression that Jimmy was engaged in a cat-and-mouse affair with Marlon, with Marlon being the cat, of course. Marlon seemed to be toying with Jimmy for his own amusement. I think Brando was sadistically using Jimmy, who followed him around like a lovesick puppy with his tongue wagging.”

Brando disputed the existence of such a friendship in his biography, claiming that Dean was “never a friend of mine.”