Seymour Cassel

Seymour Cassel

Father of Matthew Cassel.

Has a daughter from an earlier relationship.

In both Rushmore (1998) and The Royal Tenenbaums (2001) his character is mistaken for a doctor.

Is also an accomplished stage director who won the Los Angeles Critics' Award for his production of "Jesse and the Bandit" at the L.A. Stage Theater.

Mentioned in two auto-biographies co-written by Anthony Bozza; "Slash" and "Too Fat To Fish" by his Beer League co-star Artie Lange.

Responsible for giving Guns N' Roses guitarist Slash his nickname.