Robert B. Williams
- Return to Earth
1976
- Honky Tonk
1974 Farmer
- The Last Angry Man
1974 Merchant #2
- The Rockford Files: Backlash of the Hunter
1974 Arnold Demura
- The Priest Killer
1971 Tom McMurtry
- Evel Knievel
1971 Wrangler #2
- The Phynx
1970 Number One
- Hang 'em High
1968 Elwood
- The Pick-Up
1968 Sal's Thug
- Follow Me, Boys!
1966 Artie (uncredited)
- Frankie and Johnny
1966 Blackjack Dealer (uncredited)
- Satan's Bed
1965
- A Patch of Blue
1965 Neighbor (uncredited)
- Once a Thief
1965 Foreman (Uncredited)
- Viva Las Vegas
1964 Swanson (uncredited)
- Apache Rifles
1964 Miller
- The Courtship of Eddie's Father
1963 Elevator Starter (uncredited)
- Sunday in New York
1963 First Train Conductor (uncredited)
- Birdman of Alcatraz
1962 Guard (uncredited)
- Bachelor in Paradise
1961 Fireman (uncredited)
- The Adventures of Superboy
1961 Police Chief Parker
- Cimarron
1960 Oil Worker (uncredited)
- Sunrise at Campobello
1960 Conventioneer in Sara's Way (uncredited)
- North by Northwest
1959 Patrolman Waggoner (uncredited)
- The Bat
1959 Detective Davenport
- Pillow Talk
1959 Mr. Graham
- Pork Chop Hill
1959 Runner Soldier
- The Sound and the Fury
1959 Carnival Manager (uncredited)
- Hell Squad
1958 German in American Uniform
- Violent Road
1958 School Bus Driver
- Party Girl
1958 Jail Guard (uncredited)
- The Tunnel of Love
1958 Night Motel Man
- A Lust to Kill
1958 Glover
- Death in Small Doses
1957 'Dunc' Clayton
- The Iron Sheriff
1957 Sheriff Joe Tilyou
- The Giant Claw
1957 First State Trooper (uncredited)
- The Spirit of St. Louis
1957 Editor - San Diego (uncredited)
- Bombers B-52
1957 Bud Slater (uncredited)
- The Hard Man
1957 Herb Thompson (uncredited)
- The Unguarded Moment
1956 Detective
- The Lone Ranger
1956 U.S. Marshal, Abilene (uncredited)
- The Killing
1956 Plainclothesman at Airport
- Over-Exposed
1956 Police Sergeant (as Robert B. Williams)
- Revenge of the Creature
1955 George Johnson
- I Died a Thousand Times
1955 Ned (uncredited)
- Apache Ambush
1955
- Three for the Show
1955 Assistant Stage Manager (uncredited)
- Rebel Without a Cause
1955 Ed (uncredited)
- This Island Earth
1955 Webb (uncredited)
- Laura
1955 Fred Callahan
- Hell and High Water
1954 Reporter (uncredited)
- Take the High Ground!
1953 Supply Sergeant (uncredited)
- Let's Do It Again
1953 Bartender at Party (uncredited)
- Singin' in the Rain
1952 Policeman (uncredited)
- The Lady Says No
1952 Horatio Schofield
- The Unknown Man
1951 Deputy
- Storm Warning
1951 Sheriff Art Jaeger (uncredited)
- Father's Little Dividend
1951 Traffic Cop at Hospital (uncredited)
- Smuggler's Gold
1951 Hank Peters (as Robert Williams)
- Strangers on a Train
1951 Bystander at Drain (uncredited)
- Fort Worth
1951 Townsman (uncredited)
- The Lawless
1950 Boswell
- One Shivery Night
1950 Fortune Hunter
- Where the Sidewalk Ends
1950 Detective (uncredited)
- The Breaking Point
1950 Coast Guard Doctor (uncredited)
- The Great Jewel Robber
1950 Police Captain Ryan (uncredited)
- The Good Humor Man
1950 Factory Guard (uncredited)
- The Outriders
1950 Sergeant (uncredited)
- Not Wanted
1949 Detective Booking Sally (uncredited)
- It Happens Every Spring
1949 Reporter (uncredited)
- He Walked by Night
1949 Detective (uncredited)
- Malaya
1949 Army Sergeant (uncredited)
- On the Town
1949 Police Sergeant (Car 44) (uncredited)
- The Mysterious Desperado
1949 Whitaker
- Special Agent
1949 Railroad Supt. Phil Olmstead (uncredited)
- Pioneer Marshal
1949 Rodney
- Any Number Can Play
1949 Danny, the Cashier (uncredited)
- Stagecoach Kid
1949 Parnell (as Robert B. Williams)
- Slightly French
1949 Newsman / Photographer (uncredited)
- Roughshod
1949 McCall
- Call Northside 777
1948 Illinois State Journal Technician
- The Street with No Name
1948 Sergeant (Uncredited)
- Fury at Furnace Creek
1948 Stranger (uncredited)
- The Dark Past
1948 Williams (uncredited)
- Raw Deal
1948 (uncredited)
- Strange Gamble
1948 Henchman Pete Walters
- Key Witness
1947 Officer Johnson
- Unexpected Guest
1947 Matt Ogden
- Dishonored Lady
1947 Police Sergeant Bartlett
- High Wall
1947
- A Bird in the Head
1946 Mr. Beedle
- Meet Me on Broadway
1946 Ferris' Assistant (uncredited)
- The Bandit of Sherwood Forest
1946 Prioress Guard (uncredited)
- Beer Barrel Polecats
1946 Guard #1
- Lady in the Lake
1946 Detective (Uncredited)
- Black Angel
1946 Second Detective
- Tonight and Every Night
1945 Chief Petty Officer (uncredited)
- The Power of the Whistler
1945 Highway Patrolman
- A Hit with a Miss
1945 Jonesy
- Eve Knew Her Apples
1945 Steve Ormond
- Adventures of Rusty
1945 Will Nelson
- Youth on Trial
1945 Officer Ken Moore
- Voice of the Whistler
1945 Pharmacist (uncredited)
- Rough, Tough and Ready
1945 Paul
- Out of the Depths
1945 First Officer Ross
- Over 21
1945 Taxi Driver (uncredited)
- Escape in the Fog
1945 Cop on Bridge (uncredited)
- One Mysterious Night
1944 Matt Healy
- Two-Man Submarine
1944 Walt Hedges (as Robert B. Williams)
- U-Boat Prisoner
1944 Destroyer Commander Tom Bristol
- Sergeant Mike
1944 Sgt. Rankin
- The Girl in the Case
1944 Malloy (as Bob Williams)
- Black Arrow
1944 Buck Sherman
- Stars on Parade
1944 Jerry Browne
- The Ghost That Walks Alone
1944 Lt. Phillips
- It's Murder
1944 Bartender
- How Green Was My Valley
1941 Minor Role (uncredited)
- Back Door to Heaven
1939 Nightclub Owner (uncredited)
- We Want Our Mummy
1939 Prof. Tuttle (uncredited)
- Mixed Policies
1936
- A Face in the Fog
1936 Policeman (uncredited)
