Robert De Niro
Master Chief Leslie W. Sunday ('Billy')
Cuba Gooding Jr.
Senior Chief Carl Brashear
Charlize Theron
Gwen Sunday
Michael Rapaport
GM1 Snowhill
Powers Boothe
Captain Pullman
David Keith
Captain Hartigan
Holt McCallany
MM1 Dylan Rourke
David Conrad
Lt. / Cmdr. / Capt. Hanks
Joshua Leonard
PO2 Timothy Douglas Isert
Lonette McKee
Ella Brashear
Theo Nicholas Pagones
FC Mellegrano
Richard Sanders
Donny Moor Bartender
Henry Harris
Rescued Pilot
Tyler Posey
Boy (uncredited)