Mark sloan is an internal medicine doctor on diagnosis murder, Mark is played by Dick Van Dyke. His son Barry is also on dm. Dick is a famous entertainer. He was born on December 13, 1925, in Great Plains, Missouri. He has 4 kids, Christian, Barry, Stacey and Carrie Beth.Dick has been on many tv shows, and movies.

The Morning Show,(54) host (55-56)

CBS Cartoon Theater (56), host

The Chevy Showroom(58)

LaughLine (59)

The Dick Van Dyke Show, (61-66)

Bye Bye Birdie (63)

What a Way To Go (64)

Mary Poppins (64)

The Art of Love (65)

LT. Robin Crusoe, U.S.N (66)

Fitzwilly (67)

Divorce American Style (67)

Never a Dull Moment, (68)

Chitty Chitty Bang Bang, (68)

Some Kind Of Nut, (69)

The Comic,(69)

Cold Turkey (71)

The New Dick Van Dyke Show, (71)

The Morning After, (74)

Columbo: Negative Reaction (74)

Van Dyke And Company (76)

The Carol Burnett Show (67)

The Roadrunner Stumbles (79)

Drop Out Father, (82)

The Country Girl, (82)

Found Money, (83)

Strong Medicine, (86)

Ghost Of a Chance (87)

The Van Dyke Show, (88)

Dick Tracy (90)

Daughters Of Priviledge (91)

Diagnosis of Murder (92)

House On Sycamore street (92)

Twist of the Knife, (93)

Diagnosis Murder, (93)