Acting
John Joseph Edward “Jack” Cassidy (March 5, 1927 – December 12, 1976) was an American actor of stage, film and screen. His frequent professional persona was that of an urbane, super-confident egotist with a dramatic flair, much in the manner of Broadway actor Frank Fay. Cassidy perfected this character to such an extent that he was cast as the legendary John Barrymore in the feature film W.C. Fields and Me. The role of the vain, shallow, buffoon-like newsman Ted Baxter on TV's The Mary Tyler Moore Show (1970–1977) was written with Cassidy in mind. However, Cassidy turned down the role, feeling that it was not right for him, and the part went to Ted Knight. Cassidy later appeared as a guest star in a 1971 episode as Ted's highly competitive and equally egocentric brother, Hal. Description above from the Wikipedia article Jack Cassidy, licensed under CC-BY-SA, full list of contributors on Wikipedia.

The Tonight Show Starring Johnny Carson
1962

Columbo
1971

The Merv Griffin Show
1962

Bonanza
1959

Great Performances
1971

Bewitched
1964

Love, American Style
1969

Hawaii Five-O
1969

The Alfred Hitchcock Hour
1962

Get Smart
1965

Maverick
1957

Mission: Impossible
1966

Tony Awards
1956

Cannon
1971

The Mary Tyler Moore Show
1970

The Carol Burnett Show
1967

The Lucy Show
1962

Barnaby Jones
1973

The Ed Sullivan Show
1948

McCloud
1970

77 Sunset Strip
1958

Night Gallery
1970

Hawaiian Eye
1959

That Girl
1966

Gunsmoke
1955

Rowan & Martin's Laugh-In
1968

Surfside 6
1960

Alfred Hitchcock Presents
1955

Alias Smith and Jones
1971

The Mod Squad
1968

Orson Welles' Great Mysteries
1973

Bronco
1958

Richard Diamond, Private Detective
1957

Lock-Up
1959

The Girl from U.N.C.L.E.
1966

The Bell Telephone Hour
1959