David Yorston

1968

• [ ] The Green Slime (Lt. Curtis) 

1970

• [ ] Love in a 4 Letter World (????) 

1971

• [ ] Rip-Off (Math teacher) 

1973

• [ ] The Neptune Factor (Diver Stephens) 

1975

• [ ] Sudden Fury (Dan) 

1978

• [ ] Superman (Petty Officer)