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Robert Reed Carradine ( KARR-ə-deen; March 24, 1954 – February 23, 2026) was an American actor. A member of the Carradine family, he made his first appearances on television Western series such as Bonanza and his brother David's TV series, Kung Fu. Carradine also starred as Lewis Skolnick in the Revenge of the Nerds films and Sam McGuire in the Disney Channel series Lizzie McGuire.
| † | Denotes films that have not yet been released |
| Year | Title | Role | Notes | Ref. |
| 1972 | The Cowboys | Slim Honeycutt – Cowboy | ||
| 1973 | Mean Streets | Boy with Gun | ||
| 1974 | You and Me | Gas Station attendant | Credited as Bob Carradine | |
| 1975 | Aloha Bobby and Rose | Moxey | ||
| 1976 | Revenge of the Cheerleaders | Student in Cafeteria | Uncredited | |
| Jackson County Jail | Bobby Ray | |||
| The Pom Pom Girls | Johnnie | |||
| Cannonball! | Jim Crandell | |||
| Massacre at Central High | Spoony | |||
| 1977 | Joyride | John | ||
| Orca | Ken | |||
| 1978 | Coming Home | Bill Munson | ||
| Blackout | Christie | |||
| 1980 | The Long Riders | Bob Younger | ||
| The Big Red One | Private Zab – 1st Squad | |||
| 1981 | Heartaches | Stanley Howard | ||
| 1982 | Tag: The Assassination Game | Alex Marsh | ||
| 1983 | Wavelength | Bobby Sinclair | ||
| 1984 | Revenge of the Nerds | Lewis | ||
| Just the Way You Are | Sam Carpenter | |||
| 1987 | Number One with a Bullet | Detective Barzak | ||
| Revenge of the Nerds II: Nerds in Paradise | Lewis | |||
| 1988 | Buy & Cell | Herbie Altman | ||
| 1989 | All's Fair | Mark | ||
| Rude Awakening | Sammy Margolin | |||
| 1992 | Revenge of the Nerds III: The Next Generation | Lewis | ||
| The Player | Robert Carradine | |||
| 1993 | The Tommyknockers | Bryant Brown | ||
| 1994 | Revenge of the Nerds IV: Nerds in Love | Lewis | ||
| 1995 | Bird of Prey | Eric Parker | ||
| The Killers Within | Ben Wallace | |||
| 1996 | Escape from L . | Skinhead | ||
| 1997 | Firestorm | Tarmac | ||
| 1998 | Scorpio One | Carter | ||
| The Effects of Magic | Roody | |||
| Breakout | Zack Hadley | Direct-to-video | ||
| 1999 | Palmer's Pick-Up | Bruce Palmer | ||
| Gunfighter | The Kid | |||
| Lycanthrope | Bill Parker | Also producer | ||
| The Kid with X-ray Eyes | Chuck Taylor | Direct-to-video | ||
| Stray Bullet | John Burnside | |||
| The Vegas Connection | Matt Chance | |||
| 2000 | Dangerous Curves | John Burnside | ||
| 2001 | Ghosts of Mars | Rodale | ||
| Max Keeble's Big Move | Don Keeble | |||
| 2002 | Three Days of Rain | Bus Driver | Uncredited | |
| 2003 | The Lizzie McGuire Movie | Sam McGuire | ||
| Timecop: The Berlin Decision | Big Jim | Direct-to-video | ||
| 2005 | Supercross | Clay Sparks |
| Year | Title | Role | Notes | Ref. |
| 1971 | Bonanza | Phinney McLean | Episode: "A Home for Jamie" | |
| 1972 | Footsteps | Gas Station Attendant | TV movie | |
| 1972 | Kung Fu | Sonny Jim | Episode: "Dark Angel" | |
| 1973 | Go Ask Alice | Bill | TV movie | |
| 1974 | The Cowboys | Slim | series regular (12 episodes) | |
| 1975 | The Hatfields and McCoys | Bob Hatfield | TV movie | |
| Run, Joe, Run | Flip | Episode: "The Runaway" | ||
| 1976 | Police Story | Clifford | 2 episodes | |
| 1979 | Survival of Dana | Donny Davis | TV movie | |
| 1981 | Jack London's Tales of the Klondike | Percy Cuthfert III | Miniseries; episode: "In a Far Country" | |
| 1984 | The Fall Guy | Gardner | Episode: "October the 31st" | |
| The Sun Also Rises | Robert Cohn | Miniseries | ||
| 1985 | Alfred Hitchcock Presents | Jerry | Episode: "Night Fever" | |
| 1986 | The Twilight Zone | Daniel Arnold (segment "Still Life") | "Still Life / The Little People of Killany Woods / The Misfortune Cookie" | |
| 1984 | Faerie Tale Theatre | Aladdin | Episode: "Aladdin and His Wonderful Lamp" | |
| 1986 | As Is | Rich | TV movie | |
| Monte Carlo | Bobby Morgan | 2 episodes | ||
| 1987 | The Magical World of Disney | John Fairfield | Episode: "The Liberators" | |
| Conspiracy: The Trial of the Chicago 8 | Rennie Davis | TV documentary | ||
| 1988 | Totally Minnie | Maxwell Dwebb | TV movie | |
| I Saw What You Did | Adrian Lancer | |||
| 1989 | The Hitchhiker | Frank | Episode: "Garter Belt" | |
| 1990 | The Incident | Domsczek | TV movie | |
| Somebody Has to Shoot the Picture | Police Sergeant Jerry Brown | |||
| Clarence | Clarence Odbody | |||
| 1991 | K-9 | Jack Bergin | ||
| Doublecrossed | Dave Booker | |||
| 1992 | Revenge of the Nerds III: The Next Generation | Lewis "Lew" Skolnick | ||
| Illusions | Greg – Husband | |||
| 1993 | The Tommyknockers | Bryant Brown | Miniseries (2 episodes) | |
| Body Bags | Bill (segment "The Gas Station) | TV movie | ||
| The Disappearance of Christina | Michael Croft | |||
| 1994 | Revenge of the Nerds IV: Nerds in Love | Lewis Skolnick | TV movie; also co-producer | |
| A Part of the Family | Ted | TV movie | ||
| 1995 | Sirens | Detective Marty Manger | Episode: "Angel Falling" | |
| ER | John Koch | Episode: "Sleepless in Chicago" | ||
| Lois & Clark: The New Adventures of Superman | Joey Bermuda / The Handyman | Episode: "Home Is Where the Hurt Is" | ||
| 1995–96 | Kung Fu: The Legend Continues | Taige / Paulson | 2 episodes | |
| 1996 | Humanoids from the Deep | Wade Parker | TV movie | |
| Dark Skies | Lonnie Zamora | Episode: "Hostile Convergence" | ||
| 1997 | The Pretender | Sheriff Dwight Kunkle | Episode: "Mirage" | |
| NYPD Blue | Gerard Salter | Episode: "What a Dump!" | ||
| The Practice | Dr. Red Manheim | Episode: "Dog Bite" | ||
| 1997–98 | Fast Track | unknown role | 2 episodes | |
| 1997–2000 | Nash Bridges | Dr. Bruce Hartman / Dr. Hartman, D . | 2 episodes | |
| 1998 | Young Hearts Unlimited | Eddie | TV movie | |
| Martian Law | unknown role | |||
| 1999 | Vengeance Unlimited | Darin Carter | Episode: "Friends" | |
| 2000 | Mom's Got a Date with a Vampire | Malachi Van Helsing | TV movie |
| Year | Award | Category | Nominated work | Result |
| 1982 | 3rd Genie Awards | Best Performance by a Foreign Actor | Heartaches | Nominated |
| 1987 | 8th CableACE Awards | Best Actor in a Theatrical or Dramatic Special | As Is | Nominated |
| 1998 | 16th Golden Boot Awards | —N/a | —N/a | Honored |