James Oliver Cromwell (born 27 January 1940) is an American film and television actor, probably best known for his role as Dr. Zefram Cochrane in Star Trek: First Contact. He has been nominated for an Oscar, three Emmy Awards, and four Screen Actors Guild Awards during his career. Cromwell was born in Los Angeles, California and was raised in Manhattan, New York. He was adopted by actress Kay Johnson and actor, director and producer John Cromwell, who was blacklisted during the McCarthy era. He was educated at The Hill School, Middlebury College and Carnegie Institute of Technology (now Carnegie Mellon University), where he studied engineering. Like both his parents, he was drawn to the theater, doing everything from Shakespeare to experimental plays. He has long been an advocate of leftist causes. In an October 2008 interview, he strongly attacked the Republican Party and the George W. Bush administration, saying their controversial foreign policy would "either destroy us or the entire planet." He became a vegetarian in 1974 after seeing a stockyard in Texas and experiencing the "smell, terror and anxiety." He became an ethical vegan while playing the character of Farmer Hoggett in the movie Babe in 1995. He frequently speaks out on issues regarding animal cruelty for PETA, largely the treatment of pigs. Cromwell was married to Anne Ulvestad from 1976 to 1986. They had three children. He married his second wife, Julie Cobb, on 29 May 1986.

James Cromwell plays as Jonathan Siegel in Sugar.
James Cromwell is the top #1 member of the cast and appears in 4 episodes.

Colin James Farrell (born May 31, 1976) is an Irish actor. A leading man in blockbusters and independent films since the 2000s, he has received numerous accolades, including two Golden Globe Awards and a nomination for an Academy Award. The Irish Times' named him Ireland's fifth-greatest film actor in 2020. Farrell began acting in the BBC drama series Ballykissangel (1998) and had his film debut in the drama The War Zone (1999). His first lead film role was in the war drama Tigerland (2000), and he had his breakthrough with Steven Spielberg's science fiction film Minority Report (2002). He took on high-profile roles as Bullseye in Daredevil (2003) and Alexander the Great in Alexander (2004), and further starring roles in Michael Mann's Miami Vice (2006) and Woody Allen's Cassandra's Dream (2007). Farrell earned acclaim for playing a rookie hitman in Martin McDonagh's comedy In Bruges (2008), winning a Golden Globe Award for Best Actor. He went on to play a variety of leading and character roles in the comedy Horrible Bosses (2011), the science fiction film Total Recall (2012), the black comedy Seven Psychopaths (2012), the drama Saving Mr. Banks (2013), the dark comedies The Lobster (2015) and The Killing of a Sacred Deer (2017), the gothic thriller The Beguiled (2017), and the fantasy film Dumbo (2019). He also starred in the second season of HBO's thriller series True Detective (2015). Farrell has also played Percival Graves in the fantasy film Fantastic Beasts and Where to Find Them (2016) and Penguin in the superhero film The Batman (2022). Also in 2022, Farrell gained acclaim for his roles in the science fiction drama After Yang, the survival film Thirteen Lives, and McDonagh's drama The Banshees of Inisherin. For playing a naive Irishman in the lattermost, he won the Volpi Cup for Best Actor and another Golden Globe, in addition to a nomination for the Academy Award for Best Actor.

Colin Farrell plays as John Sugar in Sugar.
Colin Farrell is the top #2 member of the cast and appears in 4 episodes.

Kirby Howell-Baptiste is an actress who is best known for her memorable roles in "Killing Eve," "The Good Place," "Barry," "Why Women Kill," and "Veronica Mars." Her other television credits include "Infinity Train," "Love," 'Downward Dog," "House Of Lies," and "Comedy Bang! Bang!." In 2021, Howell-Baptiste will be seen in the Disney feature "Cruella" opposite Emma Stone and Emma Thompson, and will star in the STX Films comedy "Queenpins," a two-hander with Kristen Bell and Howell-Baptiste in co-leading roles. She will also soon be seen in the independent feature "Silent Night," and recently appeared in Saban Films' dark romantic comedy "Happily."

Kirby plays as Ruby in Sugar.
Kirby is the top #3 member of the cast and appears in 4 episodes.

Amy Beth Dziewiontkowski (born November 30, 1969), known professionally as Amy Ryan, is an American actress. She has been nominated for an Academy Award and Golden Globe for her performance in Gone Baby Gone (2007) and is also known for her roles in the HBO series The Wire, playing Port Authority Officer Beadie Russell; In Treatment, playing psychiatrist Adele Brousse; and The Office, playing human resources representative Holly Flax. Ryan was born in Queens, New York City. She is the daughter of Pam, a nurse, and John, a trucking business owner. Ryan is her mother's maiden name. She is of English, Irish, and Polish descent. Growing up in the 1970s, Ryan and her sister delivered the Daily News by bike. At a young age, Ryan attended the Stagedoor Manor Performing Arts Center in upstate New York. At 17, she graduated from New York's High School of Performing Arts. Hired for the national tour of Biloxi Blues right out of high school, Ryan worked steadily off-Broadway for the next decade.

Amy Ryan plays as Melanie Matthews in Sugar.
Amy Ryan is the top #4 member of the cast and appears in 4 episodes.

Nathan "Nate" Corddry (born September 8, 1977) is an American actor best known for his television roles on programs such as Studio 60 on the Sunset Strip, The Daily Show, United States of Tara and Harry's Law. He played Private First Class Loudmouth in the HBO miniseries The Pacific (TV miniseries). He is the younger brother of actor/comedian Rob Corddry.

Nate Corddry plays as David 'Davy' Siegel in Sugar.
Nate Corddry is the top #5 member of the cast and appears in 4 episodes.

Alex Hernandez plays as Kenny in Sugar.
Alex Hernandez is the top #6 member of the cast and appears in 4 episodes.

Dennis Boutsikaris (born December 21, 1952) is an American actor known for his work on stage and on screen, as well as audiobook narration. He has had recurring roles in acclaimed television shows such as Shameless and Better Call Saul.

Dennis Boutsikaris plays as Bernard 'Bernie' Siegel in Sugar.
Dennis Boutsikaris is the top #7 member of the cast and appears in 4 episodes.