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Acting
February 10, 1905
January 8, 1975
Cincinnati, Ohio, USA
Dierkes was born on February 10, 1905 in Cincinnati, Ohio. He attended Brown University and subsequently went to work as an economist for the United States Department of State. In 1941 he joined the Red Cross and served in the Britain duringWorld War II. There he met director John Huston who recommended that he try Hollywood after the war. Instead, Dierkes went to work for the U.S. Treasury Department which coincidentally sent him to Hollywood to function as technical advisor for the film To the Ends of the Earth (1948). Because of his appearance and very tall frame (6 feet, 6 inches), Dierkes enjoyed a long career as a character actor, often portraying villains or soldiers. In the 1953 film Shane, Dierkes portrays villain Morgan Ryker, who is the last man shot by the title character, Shane, in the final bar room shootout. One of his more memorable scenes is in the 1960 film, The Alamo. Dierkes portrays a Tennessean named Jocko, who is torn between leaving before the attack to care for his blind wife, or staying to support the Texans' cause. Understanding that if Jocko stays to fight she will likely be widowed, Jocko's wife coaxes him to stay and defend the fort, despite her disability. Dierkes died in 1975 of emphesyma and was survived by his wife Cynthia, two sons, and two daughters.
Jocko Robertson
1992

Roderick Craven - (archive footage)
1987

Bill Parker
1972

Family Member
1971

Cripple
1963

Benjamin West / Jacob West
1963

Preacher (uncredited)
1963

Roderick Craven
1963

Cell Block Guard (uncredited)
1962

Sweeny
1962
as Jocko Robertson

as Roderick Craven - (archive footage)

as Bill Parker

as Family Member

as Cripple

as Benjamin West / Jacob West

as Preacher (uncredited)

as Roderick Craven

as Cell Block Guard (uncredited)

as Sweeny

as Ranger Bill Larsen (uncredited)

as Chet

as Jocko Robertson

as Inspector Crail

as 'Wild Bill' Monks

as Gabe Hastings

as Society Red

as Private

as Martinson

as Deacon



as Charlie

as McSween

as Ez

as Policeman (uncredited)


as Bartender

as Swanson

as Jacob

as Texas Storekeeper (uncredited)

as Scanlon

as Bill Sowers

as Reverend

as Farmer (uncredited)

as Cross Creek Townsman (uncredited)


as Carson - Horgan Rider

as Freil

as Rydell

as Ace

as Indian

as Dahoma

as Cletus Ballard

as Bursar

as Swede - the Cook (uncredited)

as Cpl. Fred Deane


as Police Sergeant

as Gruber


as Sheriff Daws

as Batley

as General Morris

as Morgan Ryker

as Bosun (uncredited)

as Arnie

as Joe Bronson

as Dr. Belvedere

as Jim Conklin - the Tall Soldier

as Dr. Chapman

as Night Court Judge (uncredited)
as Jeb Bricker

as Ross