Larry Hagman, Terry Carter, and Dennis Weaver in McCloud (1970)

Larry Hagman and Dennis Weaver in McCloud (1970)

Larry Hagman, Jeff Altman, Sid Caesar, Mie, and Teddy Pendergrass in Pink Lady (1980)

Henry Fonda and Larry Hagman in Fail Safe (1964)

Henry Fonda, Larry Hagman, and Frieda Altman in Fail Safe (1964)

Larry Hagman, Jim Varney, and Sid Caesar in Pink Lady (1980)

Larry Hagman and Jeff Altman in Pink Lady (1980)

Larry Hagman, Jeff Altman, Sid Caesar, Keiko Masuda, Mie, and Teddy Pendergrass in Pink Lady (1980)

Larry Hagman in The Eagle Has Landed (1976)

Larry Hagman and Art Carney in Harry and Tonto (1974)

Larry Hagman and Leslie Parrish in McCloud (1970)

Larry Hagman, Shelley Berman, Godfrey Cambridge, Carol Lynley, and Robert Walker Jr. in Beware! The Blob (1972)

Patrick Duffy, Larry Hagman, Linda Gray, and Ken Kercheval in Dallas (1978)

Larry Hagman and Linda Gray in Dallas (1978)

Patrick Duffy, Larry Hagman, Jordana Brewster, Linda Gray, Jesse Metcalfe, Brenda Strong, Julie Gonzalo, and Josh Henderson in Dallas (2012)

Barbara Eden, Larry Hagman, Vera Miles, and John Rubinstein in A Howling in the Woods (1971)

Patrick Duffy, Larry Hagman, and Linda Gray in Dallas: War of the Ewings (1998)

Victoria Principal, Barbara Bel Geddes, Patrick Duffy, Larry Hagman, Charlene Tilton, Jim Davis, and Linda Gray in Dallas (1978)