It wasn't all smooth sailing between actors Joaquin Phoenix and Robert De Niro on the sets of 'Joker'. The Oscar-winning stars had different approaches when it came to preparing for the recently released thriller, which follows the origin story of Batman supervillain, reported People.

The director of the film, Todd Phillips recounted the friction between the powerhouse actors in Phoenix's recent Vanity Fair profile, and it all came down to whether or not to do a table read. As Phoenix explained in the piece, he prefers an easier approach to get into the skin of his characters.