Directing

1998

(4 episodes) … Director

1995

(10 episodes) … Director

1989

(1 episode) … Director

1985

(1 episode) … Director

1983

(2 episodes) … Director

1979		The Secret Empire (1 episode) … Director
1979		Curse of Dracula (1 episode) … Director

1977

(4 episodes) … Director

1976

(3 episodes) … Director

1973

(1 episode) … Director

1969

(1 episode) … Director

1968

(1 episode) … Director

Writing

2009

(2 episodes) … Writer

1989

(1 episode) … Writer

1985

(1 episode) … Writer

1984		Hot Pursuit (1 episode) … Writer
1984		V: The Final Battle (3 episodes) … Writer

1983		Ｖ (2 episodes) … Writer
1983		V (2 episodes) … Writer

1979

(1 episode) … Writer

1977

(72 episodes) … Writer

1976

(9 episodes) … Writer

1974

(10 episodes) … Writer

1968

(2 episodes) … Writer

Creator

—

… Creator

2009

… Creator

2007

… Creator

1989

… Creator

1985

… Creator

1984

… Creator

1983

… Creator

1979

… Creator

1977

… Creator

1976

… Creator

1974

… Creator

Production

1989

(22 episodes) … Producer

1984

(12 episodes) … Producer

1979

(12 episodes) … Producer

1977

(1 episode) … Executive Producer (82 episodes) … Producer

Acting

2007

(33 episodes)

2003

(1 episode) as Joseph Shaw