Jeff Conaway and Amanda McBroom in Taxi (1978)

John Travolta, Jeff Conaway, Dinah Manoff, Didi Conn, Jamie Donnelly, Barry Pearl, Michael Tucci, and Kelly Ward in Grease (1978)

John Travolta, Stockard Channing, Olivia Newton-John, Jeff Conaway, Dinah Manoff, Didi Conn, Jamie Donnelly, Barry Pearl, Michael Tucci, and Kelly Ward in Grease (1978)

John Travolta, Jeff Conaway, Barry Pearl, Michael Tucci, and Kelly Ward in Grease (1978)

Jeff Conaway and Scoey Mitchell in Taxi (1978)

Danny DeVito, Christopher Lloyd, and Jeff Conaway in Taxi (1978)

Jeff Conaway, Tony Danza, Judd Hirsch, and Randall Carver in Taxi (1978)

Jeff Conaway and Tony Danza in Taxi (1978)

Marilu Henner, Jeff Conaway, and Judd Hirsch in Taxi (1978)

Marilu Henner, Jeff Conaway, Tony Danza, Judd Hirsch, and Randall Carver in Taxi (1978)

John Travolta, Michael Biehn, Jeff Conaway, Susan Buckner, Antonia Franceschi, and Kelly Ward in Grease (1978)

Jeff Conaway in Elvira: Mistress of the Dark (1988)

Jeff Conaway and Mira Furlan in Babylon 5 (1993)

Jeff Conaway in Celebrity Rehab with Dr. Drew (2008)

Joan Severance, Tanya Roberts, and Jeff Conaway in Almost Pregnant (1992)

Bruce Boxleitner, Jeff Conaway, and Jerry Doyle in Babylon 5 (1993)

Bruce Boxleitner, Jeff Conaway, Mira Furlan, Richard Biggs, Jason Carter, Claudia Christian, Jerry Doyle, Stephen Furst, Peter Jurasik, Andreas Katsulas, Bill Mumy, and Patricia Tallman in Babylon 5 (1993)

Jeff Conaway, Joey Lawrence, and Chad Allen in Do You Wanna Know a Secret? (2001)

Danny DeVito, Marilu Henner, Jeff Conaway, Tony Danza, Andy Kaufman, and Judd Hirsch in Taxi (1978)

Danny DeVito, Marilu Henner, Christopher Lloyd, Jeff Conaway, Tony Danza, Andy Kaufman, and Judd Hirsch in Taxi (1978)