
Acting
Gary Evan Crosby (June 27, 1933 – August 24, 1995) was an American singer and actor. He may have become better known for writing a revealing memoir of his father, entertainment legend Bing Crosby, than for his own music and acting work. His mother was singer/actress Dixie Lee, Bing Crosby's first wife.
Description above from the Wikipedia article Gary Crosby (actor), licensed under CC-BY-SA, full list of contributors on Wikipedia.

Bing Crosby: Rediscovered
as Self (archive footage)

Tomcat Angels
as Commander Bowman

Chill Factor

The Night Stalker
as Vic Gallagher

Three on a Date
as Leonard

Partners in Crime
as Trooper

Justin Morgan Had a Horse
as Bob Evans

Sand Castles
as Frank Watson

O'Hara, United States Treasury: Operation Cobra
as Harry Fish

Which Way to the Front?
as SS Guard

Lady Chatterley
as The Saxophonist · 1 ep.

Matlock
as Mess Hall Supervisor · 2 ep.

Blacke's Magic
1 ep.

Murder, She Wrote
as Ted Stully · 1 ep.

Hunter
as Smitty · 6 ep.

Crazy like a Fox
as Eddie · 1 ep.

Cagney & Lacey
1 ep.

Simon & Simon
1 ep.

Vega$
as Tom Bancroft · 1 ep.

The Hardy Boys / Nancy Drew Mysteries
1 ep.