[3] Carson portrayed the ringmaster in The Greatest Show on Earth (1952) with Charlton Heston.

Carson was cast in five episodes of the religion anthology series, Crossroads: as a police lieutenant in "The Unholy Trio" (1955) and in "The Two-Fisted Saint" and "False Prophet" (both 1956), as a coach in "The Comeback" (1956), and as Senator Crocker in "In God We Trust" (1957).

Carson also co-starred in four episodes of Space Patrol (1950 TV series) as Governor Willis.

[4] In 1957, he portrayed Kittredge the riverboat card dealer in the third segment of the ABC/Warner Brothers Western television series, Maverick, in the episode entitled "According to Hoyle" opposite James Garner and Diane Brewster, as well as playing various roles in the episodes "The Lonesome Reunion" (1958) with Garner, "The Thirty-ninth Star" (1958) with Jack Kelly, "The Rivals" (1959) with Garner and Roger Moore in a story based upon the 1775 play by Richard Brinsley Sheridan, "The Brasada Spur" (1959) with Kelly, and "Guatemala City" (1960) with Garner.

His other television credits include a 1951 and 1955 episode of The Lone Ranger; The George Burns and Gracie Allen Show; Cheyenne; Green Acres; Make Room for Daddy; M Squad with Lee Marvin; Riverboat with Darren McGavin; Bourbon Street Beat with Andrew Duggan; 77 Sunset Strip; Bonanza; Bronco with Ty Hardin; The Deputy with Henry Fonda and Allen Case; Checkmate with Doug McClure and Sebastian Cabot; nine episodes of Alfred Hitchcock Presents and two of The Alfred Hitchcock Hour; The Andy Griffith Show; Thriller; Hawaiian Eye; Mister Ed; The Beverly Hillbillies with Buddy Ebsen; My Three Sons with Fred MacMurray; Petticoat Junction; Hawaii Five-O; Here's Lucy with Lucille Ball; and The High Chaparral, among many others.