Jim Carrey

(Lloyd Christmas)

Jeff Daniels

(Harry Dunne)

Lauren Holly

(Mary Swanson)

Teri Garr

(Helen Swanson)

Karen Duffy

(J.P. Shay)

Mike Starr

(Joe "Mental" Mentaliano)

Charles Rocket

(Nicholas Andre)

Victoria Rowell

(FBI Special Agent Beth Jordan)

Cam Neely

(Sea Bass)

Felton Perry

(Detective Dale)