The Alto Knights cast features Robert De Niro, Debra Messing and Kathrine Narducci. This info article contains minor spoilers and character details for Barry Levinson’s 2025 movie on HBO Max. Check out more film cast guides in Vague Visages’ Know the Cast category.

The Alto Knights explores the relationship between lifelong friends/gangsters. As Frank Costello leads the Luciano crime family, he survives an in-house assassination attempt. The narrative follows Frank as he clashes with his infamous underworld contemporary Vito Genovese. Here’s every actor and character in The Alto Knights.

Read More at VV — Know the Cast: ‘Mountainhead’

The Alto Knights Cast: Robert De Niro as Frank Costello/Vito Genovese

Character Profiles: Frank Costello is the head of the Luciano crime family. Vito Genovese, a longtime friend, serves as his underboss. Frank prioritizes old school business methods, while Vito values the financial potential of drug trafficking.

De Niro’s Resume: Vito Corleone in The Godfather Part II (1974), Travis Bickle in Taxi Driver (1976), Michael in The Deer Hunter (1978), Jake La Motta in Raging Bull (1980), Neil McCauley in Heat (1995)

Read More at VV — Know the Cast: ‘Caddo Lake’

The Alto Knights Cast: Debra Messing as Bobbie Costello

Character Profile: Frank’s wife. She comes across as a mild-mannered woman. Bobbie is a fictional character.

Messing’s Resume: Grace Adler in Will & Grace (1998-2020), Lori in Hollywood Ending (2022), Kat Ellis in The Wedding Date (2005), Molly Kagan in The Starter Wife (2007), Julia Houston in Smash (2012-13)

Read More at VV — Know the Cast: ‘Sinners’

The Alto Knights Cast: Kathrine Narducci as Anna Genovese

Character Profile: Vito’s wife. She marries him while running The Zebra Club. Anna reveals details about Vito’s friendship with Frank during a trial.

Narducci’s Resume: Charmaine Bucco in The Sopranos (1999-2007), Olympia Gigante in Godfather of Harlem (2019-), Carrie Bufalino in The Irishman (2019), Grandma in Euphoria (2022), Mrs. Hoppenstammer in Poker Face (2025)

Read More at VV — Know the Cast: ‘A Different Man’

The Alto Knights Cast: Cosmo Jarvis as Vincent Gigante

Character Profile: Vito’s henchman. He botches a hit on Frank. Vincent avoids jail time after being prosecuted for murder.

Jarvis’ Resume: Arm in Calm with Horses (2019), Barney in Peaky Blinders (2019), Campion Sturges in Raised by Wolves (2020), Frederick Wentworth in Persuasion (2022), John Blackthorne in Shōgun (2024)

Read More at VV — Know the Cast: ‘The Brutalist’

The Alto Knights Cast: Michael Rispoli as Albert Anastasia

Character Profile: A New York City mob boss. He stays true to his underworld values. Albert gets killed while planning a move to Cuba.

Rispoli’s Resume: Joey T in Summer of Sam (1999), Spinner Dunn in Death to Smoochy (2002), Big Joe in Kick-Ass (2010), Sala in The Rum Diary (2011), Rudy Pipilo in The Deuce (2017-19)

Read More at VV — Know the Cast: ‘Heretic’

The Alto Knights cast also includes:

• Robert Uricola as Tony Bender
• Frank Piccirillo as Richie Boiardo
• Matt Servitto as George Wolf
• Louis Mustillo as Joe Bonanno
• Anthony J. Gallo as Tommy Lucchese
• James Ciccone as Carlo Gambino
• Joe Bacino as Joe Profaci
• Luke Stanton Eddy as Young Frank
• Antonio Cipriano as Young Vito
• Brian Scolaro as Paul Castellano

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.