Jack Grinnage

1955

• [ 6/10 ] Rebel Without a Cause (Moose) 

1957

• [ ] Clipper Ship (Jones) 

1958

• [ ] Wink of an Eye (Delivery Boy) 
• [ ] Wolf Larsen (Leach) 
• [ ] King Creole (Dummy) 

1959

• [ ] Riot in Juvenile Prison (Dink) 

1960

• [ 6/10 ] Spartacus (Petitioner (uncredited)) 

1963

• [ ] A Ticklish Affair (Seaman (uncredited)) 

1968

• [ ] The Private Navy of Sgt. O'Farrell (Pvt. Roberts) 

1970

• [ ] The Liberation of L.B. Jones (Driver (uncredited)) 

1976

• [ ] Demon and the Mummy (Ron Updyke) 
• [ ] Crackle of Death (Ron Updyke) 

1978

• [ ] Zero to Sixty (Airport Manager) 

1988

• [ ] Forever James Dean (Himself) 

1995

• [ ] James Dean: A Portrait (Self) 

1996

• [ ] Rediscovering a Rebel (Self - 'Moose' (archive footage))