Eddie Murphy
Sherman Klump / Buddy Love / Lance Perkins / Klump Family
Janet Jackson
Denise Gaines
Larry Miller
Dean Richmond
Richard Gant
Denise's Father
Anna Maria Horsford
Denise's Mother
Melinda McGraw
Leanne Guilford
Jamal Mixon
Ernie Klump, Jr.
Chris Elliott
Restaurant Manager
Duffy Taylor
Restaurant Trainee
Sylvester Jenkins
Old Willie
Rainell Saunders
Bridesmaid
Andrea C. Robinson
Party Guest / Bridesmaid
Julia Schultz
Receptionist
Barry W. Blaustein
Man in Bathroom
David Sheffield
Man in Bathroom
Jeffrey Michael Freeman
Baby Buddy
Maurice Colquitt
Baby Buddy
Bill Applebaum
Boardroom Member
Harry S. Murphy
Boardroom Member
Tom Jourden
Guy in Elevator
Kevin Michael Mondane
Buddy at 15
Viola Kates Stimpson
Sweet Old Lady with Dog
Naomi Morales
Buxom Student
Kente Scott
Fraternity Student
Justin Urich
Lecture Student
James D. Brubaker
Krusty Reporter
Charles Napier
Four Star General
Miguel A. Núñez Jr.
Scientist
Peter Segal
Scared Popcorn Man
William Kerr
Scared Popcorn Man
Michael Ewing
Scared Hot Dog Vendor
Nikki Segal
Scared Little Girl
Frank Welker
Petey (uncredited)
Kathleen Freeman
Denise's Nosy Neighbor (uncredited)