What is the name of the actor who plays the character 'Feech La Manna'?

The actor who plays Feech La Manna is Robert Loggia.

Feech La Manna is an old-school mobster, often described within the series as a “Mustache Pete,” a nickname for an older immigrant-era gangster whose traditions and authority predate the younger generation. He returns to New Jersey after serving a lengthy prison sentence and quickly clashes with Tony Soprano's more modern leadership style.

Robert Loggia played Feech with a mixture of charm, pride, and barely controlled aggression. Loggia was a veteran American actor with a career spanning film, television, and stage work, including notable appearances in Scarface, Big, and Independence Day.

Feech is easy to confuse with other older Sopranos crime figures. Frank Vincent played Phil Leotardo, Tony Lip played Carmine Lupertazzi, and Dominic Chianese played Corrado “Junior” Soprano. None of those actors played Feech. Loggia's character appears primarily in the show's fifth season, where his return creates a serious challenge to Tony's authority.