3 Men and a Baby was in 1987. He was in the sequel and also in "Cocoon". I did not want to make light of his career, but I he is not what I consider a household name. Below are his credits from IMDB.com:

Domino One (2005) .... Casey
Jackson (2005) .... Businessman
Single Santa Seeks Mrs. Claus (2004) (TV) .... Nick
Winter Break (2003) (unconfirmed) .... Ted Harper
... aka Snow Job (USA)
The Stranger (2003) .... The Stranger
P.S. Your Cat Is Dead (2002) .... Jimmy Zoole
Airborne (1998) .... Bill McNeil
... aka Avion de la terreur, L' (Canada: French title)
Home Team (1998/I) .... Mr. Butler
... aka Une combinaison gagnante (Canada: French title)
Tower of Terror (1997) (TV) .... Buzzy Crocker
Casper: A Spirited Beginning (1997) (V) .... Tim Carson
Zeus and Roxanne (1997) .... Terry Barnett
Overdrive (1997) .... Matt Stricker
It Takes Two (1995) .... Roger Callaway
... aka Me and My Shadow
Home for the Holidays (1995) .... Walter Wedman
The Big Green (1995) .... Sheriff Tom Palmer
3 Men and a Little Lady (1990) .... Michael Kellam
... aka Three Men and a Little Lady (USA: poster title)
Don't Tell Her It's Me (1990) .... Gus Kubicek
... aka The Boyfriend School (USA: cable TV title)
Cocoon: The Return (1988) .... Jack Bonner
High Spirits (1988) .... Jack Crawford
Three Men and a Baby (1987) .... Michael Kellam
Surrender (1987) .... Marty
Amazon Women on the Moon (1987) .... Jerry (segment "Two I.D.'s")
... aka Cheeseburger Film Sandwich
Police Academy 4: Citizens on Patrol (1987) .... Sgt. Carey Mahoney
... aka Citizens on Patrol: Police Academy 4 (UK: poster title)
The Bedroom Window (1987) .... Terry Lambert
Short Circuit (1986) .... Newton Crosby
Police Academy 3: Back in Training (1986) .... Sgt. Carey Mahoney
Bad Medicine (1985) .... Jeff Marx
Cocoon (1985) .... Jack Bonner
Police Academy 2: Their First Assignment (1985) .... Officer Carey Mahoney
Police Academy (1984) .... Cadet Carey Mahoney
... aka Police Academy: What an Institution! (UK: video title)
The Day After (1983) (TV) (as Steven Guttenberg) .... Stephen Klein
The Man Who Wasn't There (1983) .... Sam Cooper
"No Soap, Radio" (1982) TV Series .... Roger
Diner (1982) .... Edward 'Eddie' Simmons
Miracle on Ice (1981) (TV) .... Jim Craig
Can't Stop the Music (1980) .... Jack Morell
To Race the Wind (1980) (TV) .... Harold Krents
Players (1979) (as Steven Guttenberg) .... Rusty
"Billy" (1979) TV Series .... Billy Fisher
The Boys from Brazil (1978) (as Steven Guttenberg) .... Barry Kohler
The Chicken Chronicles (1977) .... David Kessler
Rollercoaster (1977) (uncredited) .... Messenger
Something for Joey (1977) (TV) .... Mike Cappelletti