Terry Moore

Kotty

Frank Lovejoy

Prof. Sam Bastion

Keenan Wynn

George

Lee Marvin

Slob / Mr. Gregory

Whit Bissell

Eddie

Jess Barker

Artie

Donald Murphy

Pope

Frank De Kova

Prof. Claude Dillon

Len Lesser

Perch

Fred Gabourie

Lookout

Edward Dein