Cast of Men of Honor

Robert De Niro plays Master Chief Leslie W. Sunday ('Billy'), a skilled and strict instructor in the Navy who has a complex relationship with the protagonist.

Cuba Gooding Jr. portrays Senior Chief Carl Brashear, the determined and ambitious African American sailor striving to become a master diver despite numerous challenges.

Charlize Theron plays Gwen Sunday, the supportive wife of Master Chief Sunday who faces her own struggles throughout the story.

Aunjanue Ellis-Taylor portrays Jo, a character who offers support to Carl Brashear in his journey.

Hal Holbrook plays 'Mr. Pappy', a seasoned Navy chief who has significant influence over the divers.

Michael Rapaport portrays GM1 Snowhill, a member of the Navy who goes through the training alongside Brashear.

Powers Boothe plays Captain Pullman, a commanding officer in the Navy who oversees the training of divers.

David Keith portrays Captain Hartigan, a Navy captain who deals with the challenges presented by Carl Brashear's aspirations.

Dulé Hill plays Red Tail, a friend and support for Carl Brashear during his difficult journey.

Holt McCallany portrays MM1 Dylan Rourke, a fellow diver who interacts with Carl Brashear during training.

David Conrad plays Lt. / Cmdr. / Capt. Hanks, a military officer involved in Brashear's training.

Joshua Leonard portrays PO2 Timothy Douglas Isert, a sailor who experiences the challenges of training alongside Brashear.