The Countdown Collector's Reference: Guest Hosts
The List in weekly order: 1970 - 1979 *** 1980 - 1989 *** 1990 - today
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This page contains all guest hosts of the original AT40 plus some CT40 and new AT40 guest hosted shows that I have in my collection. If you have a list of CT40 and new AT40 guest hosts, please let me know and I'll add it to this page.

Listing by Guest Host


Dave Hull
Casey's first Guest Host was a local Los Angeles DJ known as the "Hullabalooer". The program was introduced by Don Bustany.
Dick Clark
The famed longtime host of "American Bandstand". Hosted game shows and other rival countdowns. TV producer whose credits include the American Music Awards. Also hosted "Dick Clark's Rocking New Years Eve" since 1973 where he counts down the "ball drop" in New York's Times Square. Biography.
Don Bowman
Original Host of American Country Countdown. Country comedian and songwriter.
"Humble Harve" Miller
Local Los Angeles DJ. Introduced by Casey at start of show. In Movies There Goes my Baby.
Robert W. Morgan
Famed LA morning disc jockey. Signature phrase "Good Morgan". Died in 1998 of lung cancer.
Wink Martindale
Noted game show host. Had a #7 hit in 1959 with spoken word single, "Deck of Cards".
Jerry Bishop
(Description of host)
Sonny Melendrez
(Description of host)
Bruce Phillip Miller
(Description of host)
Mark Elliott
Also hosted rival countdown in the early 80s. Guest Hosted on CT40 as well. Mark Elliott today is known as the "Voice of Disney".
10/8/77
12/3/77
5/13/78
7/8/78
1/6/79
7/17/82
10/2/82
3/11/89 (CT40)
7/8/89 (CT40)
7/22/89 (CT40)
8/12/89 (CT40)
9/9/89 (CT40)
12/9/89 (CT40)
1/6/90 (CT40)
2/10/90 (CT40)
3/10/90 (CT40)
7/7/90 (CT40)
7/28/90 (CT40)
8/25/90 (CT40)
10/27/90 (CT40)
12/1/90 (CT40)
2/2/91 (CT40)
2/23/91 (CT40)
3/23/91 (CT40)
6/22/91 (CT40)
7/13/91 (CT40)
9/7/91 (CT40)
10/5/91 (CT40)
11/9/91 (CT40)
1/25/92 (CT40)
2/22/92 (CT40)
3/21/92 (CT40)
7/11/92 (CT40)
8/1/92 (CT40)
9/5/92 (CT40)
10/3/92 (CT40)
11/14/92 (CT40)
1/16/93 (CT40)
2/13/93 (CT40)
3/20/93 (CT40)
Larry McKay
(Description of host)
Bumper Morgan
(Description of host)
Gordon Elliott
Austrailian. Youngest guest host (age 23 in 1979). Is seen in many commercials. Currently appearing in Campbell's "Tasty Tuesday" campaign.
Mike Cleary
(Description of host)
Charlie Van Dyke
Charlie was Casey's most frequent guest host on the original AT40 with 31 appearances between 1980 and 1988.
Charlie is now an ordained Catholic Deacon in Phoenix, AZ.
3/29/80
7/11/81
1/8/83
10/1/83
1/7/84
3/10/84
5/26/84
7/14/84
9/15/84
11/10/84
1/5/85

1/12/85
6/1/85
7/6/85
8/10/85
10/26/85
1/11/86
6/14/86
8/23/86
11/1/86
1/10/87
3/7/87

5/2/87
7/11/87
7/18/87
9/12/87
12/5/87
10/24/87
1/9/88
1/16/88
Dave Roberts
Dave Roberts was afternoon drive at KYA-FM in San Francisco. He later was host of RKO Radio's "The Hot Ones" CHR profile show. Dr. Roberts continues to do voiceover but his "day job" is as principal of Roberts Communications Market Research in Austin, TX.
Lon Thomas
(Description of host)
Al Mitchell
(Description of host)
Gary Owens
Was the announcer on TV series "Laugh-in" 1968-74. Also hosted Watermark "Soundtrack of the Sixties" oldies program in the early 1980s
Bob Eubanks
Was the host of the "Newlywed Game" TV game show.
Lee Sherwood
  • KIIS [LA] 1970
  • WMAQ [Chicago] 1975
  • KHJ [LA] 1981
  • W??? [New York] 1982
  • W??? [Washington DC] 1985
  • KUSA [St. Louis] 1989
  • W??? [Chicago] 198?
  • KDJR [De Soto MO] 199?
  • Now: At Country KDJR, De Soto, Missouri.
Keri Tombazian
First female guest host. Currently at 94.7 the Wave - a Smooth Jazz station in Los Angeles.
Chuck Britton
Currently a DJ at X 95.3, Fort Smith Arkansas.
Scott Evans
Celebrity Guest Hosts
7/30/88 Daryl Hall and John Oates (Musicians)
6/24/89 Debbie Gibson (Musician)
2/17/90 Donnie Osmond (Musician and TV Personality)
1/12/91 Nelson (Musicians)
1/11/92 - Richard Marx (Musician)
3/7/92 - Jack Wagner (TV Personality)
4/5/92 - Jody Watley (Musician)
10/31/92 Jay Thomas (TV Personality)
5/1/93 Martha Quinn (MTV Original "V.J.")
9/4/93 - Harry Anderson & Delaine Matthews (TV Personalities - "Dave's World")
6/18/94 - MeShach Taylor & J.C. Wendall (TV Personalities - "Dave's World")
David Perry
Ed McMann
Boston based DJ at Kiss 108. Most frequent quest AT40 host with 36 appearances 1998-present.

10/10/98
12/05/98
3/06/99
7/10/99
9/04/99
10/02/99
10/30/99
10/30/99
11/27/99
1/08/00
2/12/00
6/11/00
7/15/00
8/12/00
9/16/00
10/14/00
11/11/00
12/09/00
1/13/01
2/17/01
3/24/01
7/07/01
8/11/01
9/08/01
10/13/01
12/01/01
1/05/02
2/09/02
3/09/02
3/16/02
7/13/02
8/17/02
9/14/02
10/12/02
11/09/02
12/07/02
11/8/03
12/6/03
Pat O'Brien
Co-Host of TV's Access Hollywood. Frequent studio host for CBS sports.
1/18/03
2/15/03
3/15/03
Ryan Seacrest
Host of TV's American Idol. LA based disc jockey. Permanent host of American Top 40 starting January 10, 2004.

Chronological List of All AT40 Guest Hosts 1970-


1970
None
1971
11/6/71 - Dave Hull
1972
3/25/72 - Dick Clark
1973
6/16/73 - Don Bowman
1974
7/13/74 - "Humble" Harve Miller
1975
2/8/75 - Robert W. Morgan
10/11/75 - Wink Martindale
1976
2/7/76 - Jerry Bishop
8/7/76 - - Sonny Melendrez
1977
7/16/77 - Bruce Phillip Miller
10/8/77 - Mark Elliott
12/3/77 - Mark Elliott
1978
5/13/78 - Mark Elliott
7/8/78 - Mark Elliott
9/2/78 - Larry McKay
1979
1/6/79 - Mark Elliott
4/7/79 - Bumper Morgan
9/8/79 - Gordon Elliott
9/29/79 - Robert W. Morgan
1980
1/12/80 - Mike Cleary
3/29/80 - Charlie Van Dyke
6/21/80 - - Dave Roberts
9/6/80 - Gordon Elliott
9/27/80 - Lon Thomas
1981
1/17/81 - Al Mitchell
5/2/81 - - Dave Roberts
7/11/81 - Charlie Van Dyke
9/12/81 - Gary Owens
11/21/81 - - Dave Roberts
1982
1/9/82 - Bob Eubanks
3/27/82 - Lee Sherwood
7/17/82 - Mark Elliott
9/11/82 - Lee Sherwood
10/2/82 - Mark Elliott
1983
1/8/83 - Charlie Van Dyke
4/16/83 - Bob Eubanks
8/13/83 - Keri Tombazian
10/1/83 - Charlie Van Dyke
1984
1/7/84 - Charlie Van Dyke
3/10/84 - Charlie Van Dyke
5/26/84 - Charlie Van Dyke
7/14/84 - Charlie Van Dyke
9/15/84 - Charlie Van Dyke
11/10/84 - Charlie Van Dyke
1985
1/5/85 - Charlie Van Dyke
1/12/85 - Charlie Van Dyke
4/13/85 - Chuck Britton
6/1/85 - Charlie Van Dyke
7/6/85 - Charlie Van Dyke
8/10/85 - Charlie Van Dyke
10/26/85 - Charlie Van Dyke
1986
1/11/86 - Charlie Van Dyke
4/12/86 - Dave Roberts
6/14/86 - Charlie Van Dyke
8/23/86 - - Charlie Van Dyke
11/1/86 - - Charlie Van Dyke
1987
1/10/87 - - Charlie Van Dyke
3/7/87 - Charlie Van Dyke
5/2/87 - - Charlie Van Dyke
7/11/87 - - Charlie Van Dyke
7/18/87 - Charlie Van Dyke
9/12/87 - Charlie Van Dyke
10/24/87 - Charlie Van Dyke
12/5/87 - - Charlie Van Dyke
1988
1/9/88 - - Charlie Van Dyke
1/16/88 - Charlie Van Dyke
4/16/88 - Keri Tombazian
7/2/88 - Scott Evans
7/30/88 - Daryl Hall & John Oates
1989
6/24/89 - Debbie Gibson
1989 CT40
1990
2/17/90 - Donny Osmond
1990 CT40
1991
1/12/91 - Matthew & Gunnar Nelson
1991 CT40
1992
1/11/92 - Richard Marx
3/7/92 - Jack Wagner
4/4/92 - Jody Watley
10/31/92 - Jay Thomas
1992 CT40
1993
5/1/93 - Martha Quinn
9/4/93 - Harry Anderson & Delaine Matthews
1993 CT40
1994
3/12/94 - David Hall
6/18/94 - MeShach Taylor & J.C. Wendall
7/23/94 - Joe Cipriano
7/30/94 - Adrienne Walker
1994 CT40
1995 CT40
1996 CT40
1997 CT40
1998 CT40
1998
7/11/98 - David Perry
9/12/98 - David Perry
10/10/98 - Ed McMann
11/07/98 - Steve Streit
12/05/98 - Ed McMann
1999
2/06/99 Steve Streit
3/06/99 Ed McMann
7/10/99 Ed McMann
8/07/99 Joe Cypriano
9/04/99 Ed McMann
10/02/99 - Ed McMann
10/30/99 - Ed McMann
11/27/99 - Ed McMann
2000
1/08/00 - Ed McMann
2/12/00 - Ed McMann
6/11/00 - Ed McMann
7/15/00 - Ed McMann
8/12/00 - Ed McMann
9/16/00 - Ed McMann
10/14/00 - Ed McMann
11/11/00 - Ed McMann
12/09/00 - Ed McMann
2001
1/13/01 - Ed McMann
2/17/01 - Ed McMann
3/24/01 - Ed McMann
7/07/01 - Ed McMann
8/11/01 - Ed McMann
9/08/01 - Ed McMann
10/13/01 - Ed McMann
12/01/01 - Ed McMann
2002
1/05/02 - Ed McMann
2/09/02 - Ed McMann
3/09/02 - Ed McMann
3/16/02 - Ed McMann
7/13/02 - Ed McMann
8/17/02 - Ed McMann
9/14/02 - Ed McMann
10/12/02 - Ed McMann
11/09/02 - Ed McMann
12/07/02 - Ed McMann
2003
1/18/03 - Pat O'Brien
2/15/03 - Pat O'Brien
3/15/03 - Pat O'Brien
7/12/03 - Ryan Seacrest
8/9/03 - Ryan Seacrest
9/6/03 - Ryan Seacrest
10/11/03 - Ryan Seacrest
11/8/03 - Ed McMann
12/6/03 - Ed McMann
The List in weekly order: 1970 - 1979 *** 1980 - 1989 *** 1990 - today
Calendar | Previous Columns| Specials | Guest Hosts | Number Ones | Home