Here are Rock's acting credits:
"Dynasty" (1981).... Daniel Reece (1984-1985)
The Vegas Strip War (1984) (TV) .... Neil Chaine
... aka Las Vegas Strip War
The Ambassador (1984) .... Frank Stevenson
... aka Peacemaker
"The Devlin Connection" (1982) .... Brian Devlin
World War III (1982) (TV) .... President Thomas McKenna
The Star Maker (1981) (TV) .... Danny Youngblood
The Mirror Crack'd (1980) .... Jason Rudd
"The Martian Chronicles" (1980) (mini) TV Series .... Col. John Wilder
Superstunt II (1980) (TV)
Avalanche (1978) .... David Shelby
"Wheels" (1978) (mini) TV Series .... Adam Trenton
... aka Arthur Hailey's Wheels
Embryo (1976) .... Dr. Paul Holliston
... aka Created to Kill (USA: reissue title)
Showdown (1973) .... Chuck Jarvis
"McMillan and Wife" (1971) .... Commissioner Stewart McMillan (1971-1977)
... aka McMillan (USA: sixth season title)
Once Upon a Dead Man (1971) (TV) .... Commissioner Stewart McMillan
Pretty Maids All in a Row (1971) .... Michael 'Tiger' McDrew
Hornets' Nest (1970) .... Captain Turner
... aka Lupi attaccano in branco, I (Italy)
... aka Vespaio, Il
Darling Lili (1970) .... Maj. William Larrabee
The Undefeated (1969) .... Col. James Langdon
Ruba al prossimo tuo (1969) .... Capt. Mike Harmon
... aka A Fine Pair (USA)
Ice Station Zebra (1968) .... Cmdr. James Ferraday
Tobruk (1967) .... Maj. Donald Craig
Seconds (1966) .... Antiochus 'Tony' Wilson
Blindfold (1965) .... Dr. Bartholomew Snow
A Very Special Favor (1965) .... Paul Chadwick
Strange Bedfellows (1965) .... Carter Harrison
Send Me No Flowers (1964) .... George Kimball
"The Beverly Hillbillies"
- Jed Becomes a Movie Mogul (1964) ... George Kimball
Man's Favorite Sport? (1964) .... Roger Willoughby
A Gathering of Eagles (1963) .... Col. Jim Caldwell
The Spiral Road (1962) .... Dr. Anton Drager
Lover Come Back (1961) .... Jerry Webster/Doctor Linus Tyler
Come September (1961) .... Robert L. Talbot
The Last Sunset (1961) .... Dana Stribling
Pillow Talk (1959) .... Brad Allen/Rex Stetson
This Earth Is Mine (1959) .... John Rambeau
Twilight for the Gods (1958) .... Captain David Bell
The Tarnished Angels (1958) .... Burke Devlin
A Farewell to Arms (1957) .... Lieutenant Frederick Henry
Something of Value (1957) .... Peter McKenzie
... aka Africa Ablaze (USA: reissue title)
Battle Hymn (1956) .... Col. Dean Hess
Written on the Wind (1956) .... Mitch Wayne
Giant (1956) .... Jordan 'Bick' Benedict Jr.
Never Say Goodbye (1956) .... Dr. Michael Parker
All That Heaven Allows (1955) .... Ron Kirby
One Desire (1955) .... Clint Saunders
Captain Lightfoot (1955) .... Michael Martin
Bengal Brigade (1954) .... Capt. Jeffrey Claybourne
... aka Bengal Rifles (UK)
Magnificent Obsession (1954) .... Dr. Bob Merrick
Taza, Son of Cochise (1954) .... Taza
... aka Son of Cochise (USA)
Beneath the 12-Mile Reef (1953) (uncredited) .... Narrator At Opening
Underwater Scenes
Back to God's Country (1953) .... Peter Keith
Gun Fury (1953) .... Ben Warren
The Golden Blade (1953) .... Harun
Sea Devils (1953) .... Gilliatt
Seminole (1953) .... Lt. Lance Caldwell
The Lawless Breed (1953) .... John Wesley Hardin
Horizons West (1952) .... Neil Hammond
Has Anybody Seen My Gal? (1952) .... Dan Stebbins
Scarlet Angel (1952) .... Frank Truscott aka Panama
Here Come the Nelsons (1952) .... Charles Jones
... aka Meet the Nelsons
Bend of the River (1952) .... Trey Wilson, Gambler
... aka Where the River Bends (UK)
Iron Man (1951) .... Tommy 'Speed' O'Keefe aka Kosco
Bright Victory (1951) .... Dudek
... aka Lights Out (UK)
The Fat Man (1951) .... Roy Clark
Air Cadet (1951) .... Upperclassman
... aka Jet Men of the Air (UK)
Tomahawk (1951) .... Cpl. Burt Hanna
... aka Battle of Powder River (UK)
Shakedown (1950) .... Ted, the Night Club Doorman
The Desert Hawk (1950) .... Captain Ras
Winchester '73 (1950) .... Young Bull
Peggy (1950) .... Johnny Higgins
I Was a Shoplifter (1950) .... Store Detective
One Way Street (1950) (uncredited) .... Truck Driver
Undertow (1949) .... Detective talking with Reckling about gun
Fighter Squadron (1948) (uncredited) .... Second Lieutenant (pilot)