Biography
Among the movies Hewitt appeared in are A Private's Affair, That Touch of Mink, Days of Wine and Roses, How to Murder Your Wife, Sweet Charity, and The Barefoot Executive.
He never became a major star, but he did have a lengthy career which included smaller parts in several well-known programs, including Alfred Hitchcock Presents, Maverick, 77 Sunset Strip, Daktari, Leave It to Beaver, The Donna Reed Show, Dr. Kildare, Lost in Space, Bewitched, I Dream Of Jeannie, The Lucy Show, F Troop, The Wild Wild West, Ironside, The Bob Newhart Show and The Phil Silvers Show. He made four guest appearances on Perry Mason, three of which he portrayed the murderer: in 1961 he played Bruce Sheridan in "The Case of the Wintry Wife" and Dr. Marcus Tate in "The Case of the Brazen Bequest," and in 1965 he played the role of Curt Ordway in "The Case of the Fatal Fetish". The only one where he was not the murderer was in 1959’s “The Case of the Golden Fraud”. Possibly his most prominent roles were Detective Brennan in My Favorite Martian and the district attorney in How to Murder Your Wife.
Filmography
Cast Credits

The Seniors
Character: The Inspector
MOVIE • 1978

Tail Gunner Joe
Character: Dean Acheson
MOVIE • 1977

The Legend of Lizzie Borden
Character: Mayor Coughlin
MOVIE • 1975

Pueblo
Character: Congressional Chairman
MOVIE • 1973

Now You See Him, Now You Don't
Character: Dean Collingsgood
MOVIE • 1972

The Barefoot Executive
Character: Farnsworth
MOVIE • 1971

R.P.M.
Character: Hewlett
MOVIE • 1970

The Computer Wore Tennis Shoes
Character: Dean Collingsgood
MOVIE • 1969

The D.A.: Murder One
Character: Judge Tanner
MOVIE • 1969

Wake Me When the War Is Over
Character: Koenig
MOVIE • 1969

Love, American Style
Character: Attorney
TV • 1969

Sweet Charity
Character: Nicholsby
MOVIE • 1969

The Brotherhood
Character: Sol Levin
MOVIE • 1968

The Danny Thomas Hour
Character: Sam Rose
TV • 1967

Ironside
Character: Carter
TV • 1967

The Further Adventures of Gallegher
Character: Chauncy Talbot
MOVIE • 1965

I Dream of Jeannie
Character: Don Anderson
TV • 1965

Lost in Space
Character: Lemnoc
TV • 1965

The Monkey's Uncle
Character: Professor Shattuck
MOVIE • 1965

How to Murder Your Wife
Character: District Attorney
MOVIE • 1965