Which of the 5 Rat Packers portrayed Daniel “Danny” Ocean in any of the Ocean’s films?
Danny Ocean (character):  The character was portrayed by Frank Sinatra in the original film, and by George Clooney in the remake trilogy. Ocean's 11: Ocean's 11 is a 1960 heist film directed by Lewis Milestone and starring five Rat Packers: Peter Lawford, Frank Sinatra, Dean Martin, Sammy Davis, Jr. and Joey Bishop.
Frank Sinatra